Home / 909,708.30-1,364,562.45-807,356.70

Finding the Fourth Proportional to 909,708.30, 1,364,562.45 and 807,356.70

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Solution

The fourth proportional to 909,708.30, 1,364,562.45 and 807,356.70 is: 1,211,035.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,708.30 : 1,364,562.45 = 807,356.70 : x
  2. Step 2: Convert to fraction form
    909,708.30/1,364,562.45 = 807,356.70/x
  3. Step 3: Cross multiply
    909,708.30x = 1,364,562.45 × 807,356.70
  4. Step 4: Simplify right side
    909,708.30x = 1,101,688,636,575.91
  5. Step 5: Solve for x
    x = 1,101,688,636,575.91/909,708.30
  6. Step 6: Final answer
    x = 1,211,035.05

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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.