Home / 1,142,802-1,577,084.52-626,602.92

Finding the Fourth Proportional to 1,142,802, 1,577,084.52 and 626,602.92

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Solution

The fourth proportional to 1,142,802, 1,577,084.52 and 626,602.92 is: 864,721.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,802 : 1,577,084.52 = 626,602.92 : x
  2. Step 2: Convert to fraction form
    1,142,802/1,577,084.52 = 626,602.92/x
  3. Step 3: Cross multiply
    1,142,802x = 1,577,084.52 × 626,602.92
  4. Step 4: Simplify right side
    1,142,802x = 988,205,765,318.80
  5. Step 5: Solve for x
    x = 988,205,765,318.80/1,142,802
  6. Step 6: Final answer
    x = 864,721.77

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1.5x scale

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.