Home / 1,118,737.12-1,543,859.86-609,428.56

Finding the Fourth Proportional to 1,118,737.12, 1,543,859.86 and 609,428.56

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Solution

The fourth proportional to 1,118,737.12, 1,543,859.86 and 609,428.56 is: 841,012.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,737.12 : 1,543,859.86 = 609,428.56 : x
  2. Step 2: Convert to fraction form
    1,118,737.12/1,543,859.86 = 609,428.56/x
  3. Step 3: Cross multiply
    1,118,737.12x = 1,543,859.86 × 609,428.56
  4. Step 4: Simplify right side
    1,118,737.12x = 940,872,291,321.60
  5. Step 5: Solve for x
    x = 940,872,291,321.60/1,118,737.12
  6. Step 6: Final answer
    x = 841,012.85

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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.