Home / 1,283,607.64-1,926,001.50-485,166.52

Finding the Fourth Proportional to 1,283,607.64, 1,926,001.50 and 485,166.52

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Solution

The fourth proportional to 1,283,607.64, 1,926,001.50 and 485,166.52 is: 727,972.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,607.64 : 1,926,001.50 = 485,166.52 : x
  2. Step 2: Convert to fraction form
    1,283,607.64/1,926,001.50 = 485,166.52/x
  3. Step 3: Cross multiply
    1,283,607.64x = 1,926,001.50 × 485,166.52
  4. Step 4: Simplify right side
    1,283,607.64x = 934,431,445,269.78
  5. Step 5: Solve for x
    x = 934,431,445,269.78/1,283,607.64
  6. Step 6: Final answer
    x = 727,972.80

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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.