Home / 1,142,834.32-1,577,077-626,577.52

Finding the Fourth Proportional to 1,142,834.32, 1,577,077 and 626,577.52

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Solution

The fourth proportional to 1,142,834.32, 1,577,077 and 626,577.52 is: 864,658.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,834.32 : 1,577,077 = 626,577.52 : x
  2. Step 2: Convert to fraction form
    1,142,834.32/1,577,077 = 626,577.52/x
  3. Step 3: Cross multiply
    1,142,834.32x = 1,577,077 × 626,577.52
  4. Step 4: Simplify right side
    1,142,834.32x = 988,160,995,509.04
  5. Step 5: Solve for x
    x = 988,160,995,509.04/1,142,834.32
  6. Step 6: Final answer
    x = 864,658.14

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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.