Home / 1,037,728.10-1,557,758.55-802,115.30

Finding the Fourth Proportional to 1,037,728.10, 1,557,758.55 and 802,115.30

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Solution

The fourth proportional to 1,037,728.10, 1,557,758.55 and 802,115.30 is: 1,204,074.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,037,728.10 : 1,557,758.55 = 802,115.30 : x
  2. Step 2: Convert to fraction form
    1,037,728.10/1,557,758.55 = 802,115.30/x
  3. Step 3: Cross multiply
    1,037,728.10x = 1,557,758.55 × 802,115.30
  4. Step 4: Simplify right side
    1,037,728.10x = 1,249,501,966,660.82
  5. Step 5: Solve for x
    x = 1,249,501,966,660.82/1,037,728.10
  6. Step 6: Final answer
    x = 1,204,074.52

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Double scale
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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.