Home / 1,287,598.38-1,931,742.02-446,150.13

Finding the Fourth Proportional to 1,287,598.38, 1,931,742.02 and 446,150.13

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Solution

The fourth proportional to 1,287,598.38, 1,931,742.02 and 446,150.13 is: 669,344.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,287,598.38 : 1,931,742.02 = 446,150.13 : x
  2. Step 2: Convert to fraction form
    1,287,598.38/1,931,742.02 = 446,150.13/x
  3. Step 3: Cross multiply
    1,287,598.38x = 1,931,742.02 × 446,150.13
  4. Step 4: Simplify right side
    1,287,598.38x = 861,846,953,349.46
  5. Step 5: Solve for x
    x = 861,846,953,349.46/1,287,598.38
  6. Step 6: Final answer
    x = 669,344.55

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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.