Home / 1,029,175.18-1,543,688.62-319,184.77

Finding the Fourth Proportional to 1,029,175.18, 1,543,688.62 and 319,184.77

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Solution

The fourth proportional to 1,029,175.18, 1,543,688.62 and 319,184.77 is: 478,754.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,175.18 : 1,543,688.62 = 319,184.77 : x
  2. Step 2: Convert to fraction form
    1,029,175.18/1,543,688.62 = 319,184.77/x
  3. Step 3: Cross multiply
    1,029,175.18x = 1,543,688.62 × 319,184.77
  4. Step 4: Simplify right side
    1,029,175.18x = 492,721,897,126.32
  5. Step 5: Solve for x
    x = 492,721,897,126.32/1,029,175.18
  6. Step 6: Final answer
    x = 478,754.16

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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.