Home / 1,555,338.60-2,333,007.90-433,407.60

Finding the Fourth Proportional to 1,555,338.60, 2,333,007.90 and 433,407.60

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Solution

The fourth proportional to 1,555,338.60, 2,333,007.90 and 433,407.60 is: 650,111.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555,338.60 : 2,333,007.90 = 433,407.60 : x
  2. Step 2: Convert to fraction form
    1,555,338.60/2,333,007.90 = 433,407.60/x
  3. Step 3: Cross multiply
    1,555,338.60x = 2,333,007.90 × 433,407.60
  4. Step 4: Simplify right side
    1,555,338.60x = 1,011,143,354,720.04
  5. Step 5: Solve for x
    x = 1,011,143,354,720.04/1,555,338.60
  6. Step 6: Final answer
    x = 650,111.40

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.