Home / 912,622.80-1,366,064.01-626,639.73

Finding the Fourth Proportional to 912,622.80, 1,366,064.01 and 626,639.73

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Solution

The fourth proportional to 912,622.80, 1,366,064.01 and 626,639.73 is: 937,988.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,622.80 : 1,366,064.01 = 626,639.73 : x
  2. Step 2: Convert to fraction form
    912,622.80/1,366,064.01 = 626,639.73/x
  3. Step 3: Cross multiply
    912,622.80x = 1,366,064.01 × 626,639.73
  4. Step 4: Simplify right side
    912,622.80x = 856,029,982,389.12
  5. Step 5: Solve for x
    x = 856,029,982,389.12/912,622.80
  6. Step 6: Final answer
    x = 937,988.82

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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.