Home / 1,125,322.48-1,688,131.95-366,897.61

Finding the Fourth Proportional to 1,125,322.48, 1,688,131.95 and 366,897.61

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Solution

The fourth proportional to 1,125,322.48, 1,688,131.95 and 366,897.61 is: 550,394.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125,322.48 : 1,688,131.95 = 366,897.61 : x
  2. Step 2: Convert to fraction form
    1,125,322.48/1,688,131.95 = 366,897.61/x
  3. Step 3: Cross multiply
    1,125,322.48x = 1,688,131.95 × 366,897.61
  4. Step 4: Simplify right side
    1,125,322.48x = 619,371,577,819.64
  5. Step 5: Solve for x
    x = 619,371,577,819.64/1,125,322.48
  6. Step 6: Final answer
    x = 550,394.74

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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.