Home / 1,555,281.40-2,332,922.10-490,431.10

Finding the Fourth Proportional to 1,555,281.40, 2,332,922.10 and 490,431.10

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Solution

The fourth proportional to 1,555,281.40, 2,332,922.10 and 490,431.10 is: 735,646.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555,281.40 : 2,332,922.10 = 490,431.10 : x
  2. Step 2: Convert to fraction form
    1,555,281.40/2,332,922.10 = 490,431.10/x
  3. Step 3: Cross multiply
    1,555,281.40x = 2,332,922.10 × 490,431.10
  4. Step 4: Simplify right side
    1,555,281.40x = 1,144,137,551,717.31
  5. Step 5: Solve for x
    x = 1,144,137,551,717.31/1,555,281.40
  6. Step 6: Final answer
    x = 735,646.65

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Double scale
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Similar ratio
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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.