Home / 1,380,124.38-2,070,513.96-433,495.11

Finding the Fourth Proportional to 1,380,124.38, 2,070,513.96 and 433,495.11

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Solution

The fourth proportional to 1,380,124.38, 2,070,513.96 and 433,495.11 is: 650,345.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,124.38 : 2,070,513.96 = 433,495.11 : x
  2. Step 2: Convert to fraction form
    1,380,124.38/2,070,513.96 = 433,495.11/x
  3. Step 3: Cross multiply
    1,380,124.38x = 2,070,513.96 × 433,495.11
  4. Step 4: Simplify right side
    1,380,124.38x = 897,557,676,846.74
  5. Step 5: Solve for x
    x = 897,557,676,846.74/1,380,124.38
  6. Step 6: Final answer
    x = 650,345.50

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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.