Home / 1,298,125.60-1,791,510.30-747,010.24

Finding the Fourth Proportional to 1,298,125.60, 1,791,510.30 and 747,010.24

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Solution

The fourth proportional to 1,298,125.60, 1,791,510.30 and 747,010.24 is: 1,030,929.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,125.60 : 1,791,510.30 = 747,010.24 : x
  2. Step 2: Convert to fraction form
    1,298,125.60/1,791,510.30 = 747,010.24/x
  3. Step 3: Cross multiply
    1,298,125.60x = 1,791,510.30 × 747,010.24
  4. Step 4: Simplify right side
    1,298,125.60x = 1,338,276,539,165.47
  5. Step 5: Solve for x
    x = 1,338,276,539,165.47/1,298,125.60
  6. Step 6: Final answer
    x = 1,030,929.93

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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.