Home / 1,557,530.74-2,149,379.92-904,217.38

Finding the Fourth Proportional to 1,557,530.74, 2,149,379.92 and 904,217.38

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Solution

The fourth proportional to 1,557,530.74, 2,149,379.92 and 904,217.38 is: 1,247,812.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,530.74 : 2,149,379.92 = 904,217.38 : x
  2. Step 2: Convert to fraction form
    1,557,530.74/2,149,379.92 = 904,217.38/x
  3. Step 3: Cross multiply
    1,557,530.74x = 2,149,379.92 × 904,217.38
  4. Step 4: Simplify right side
    1,557,530.74x = 1,943,506,679,887.01
  5. Step 5: Solve for x
    x = 1,943,506,679,887.01/1,557,530.74
  6. Step 6: Final answer
    x = 1,247,812.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.