Home / 1,037,969.78-1,557,569.55-438,898.10

Finding the Fourth Proportional to 1,037,969.78, 1,557,569.55 and 438,898.10

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Solution

The fourth proportional to 1,037,969.78, 1,557,569.55 and 438,898.10 is: 658,607.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,037,969.78 : 1,557,569.55 = 438,898.10 : x
  2. Step 2: Convert to fraction form
    1,037,969.78/1,557,569.55 = 438,898.10/x
  3. Step 3: Cross multiply
    1,037,969.78x = 1,557,569.55 × 438,898.10
  4. Step 4: Simplify right side
    1,037,969.78x = 683,614,316,112.86
  5. Step 5: Solve for x
    x = 683,614,316,112.86/1,037,969.78
  6. Step 6: Final answer
    x = 658,607.15

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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.