Home / 1,072,287.20-1,480,088.52-690,314

Finding the Fourth Proportional to 1,072,287.20, 1,480,088.52 and 690,314

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Solution

The fourth proportional to 1,072,287.20, 1,480,088.52 and 690,314 is: 952,847.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,287.20 : 1,480,088.52 = 690,314 : x
  2. Step 2: Convert to fraction form
    1,072,287.20/1,480,088.52 = 690,314/x
  3. Step 3: Cross multiply
    1,072,287.20x = 1,480,088.52 × 690,314
  4. Step 4: Simplify right side
    1,072,287.20x = 1,021,725,826,595.28
  5. Step 5: Solve for x
    x = 1,021,725,826,595.28/1,072,287.20
  6. Step 6: Final answer
    x = 952,847.17

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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.