Home / 1,118,562.30-1,675,875.15-917,795.70

Finding the Fourth Proportional to 1,118,562.30, 1,675,875.15 and 917,795.70

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Solution

The fourth proportional to 1,118,562.30, 1,675,875.15 and 917,795.70 is: 1,375,078.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,562.30 : 1,675,875.15 = 917,795.70 : x
  2. Step 2: Convert to fraction form
    1,118,562.30/1,675,875.15 = 917,795.70/x
  3. Step 3: Cross multiply
    1,118,562.30x = 1,675,875.15 × 917,795.70
  4. Step 4: Simplify right side
    1,118,562.30x = 1,538,111,006,406.85
  5. Step 5: Solve for x
    x = 1,538,111,006,406.85/1,118,562.30
  6. Step 6: Final answer
    x = 1,375,078.53

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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.