Home / 1,053,244.08-1,453,650.69-645,572.70

Finding the Fourth Proportional to 1,053,244.08, 1,453,650.69 and 645,572.70

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Solution

The fourth proportional to 1,053,244.08, 1,453,650.69 and 645,572.70 is: 890,996.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,053,244.08 : 1,453,650.69 = 645,572.70 : x
  2. Step 2: Convert to fraction form
    1,053,244.08/1,453,650.69 = 645,572.70/x
  3. Step 3: Cross multiply
    1,053,244.08x = 1,453,650.69 × 645,572.70
  4. Step 4: Simplify right side
    1,053,244.08x = 938,437,200,800.16
  5. Step 5: Solve for x
    x = 938,437,200,800.16/1,053,244.08
  6. Step 6: Final answer
    x = 890,996.89

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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.