Home / 1,038,441.28-1,557,090.72-469,153.60

Finding the Fourth Proportional to 1,038,441.28, 1,557,090.72 and 469,153.60

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Solution

The fourth proportional to 1,038,441.28, 1,557,090.72 and 469,153.60 is: 703,472.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,441.28 : 1,557,090.72 = 469,153.60 : x
  2. Step 2: Convert to fraction form
    1,038,441.28/1,557,090.72 = 469,153.60/x
  3. Step 3: Cross multiply
    1,038,441.28x = 1,557,090.72 × 469,153.60
  4. Step 4: Simplify right side
    1,038,441.28x = 730,514,716,814.59
  5. Step 5: Solve for x
    x = 730,514,716,814.59/1,038,441.28
  6. Step 6: Final answer
    x = 703,472.34

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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.