Home / 1,129,661.59-1,558,543.30-722,002.06

Finding the Fourth Proportional to 1,129,661.59, 1,558,543.30 and 722,002.06

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Solution

The fourth proportional to 1,129,661.59, 1,558,543.30 and 722,002.06 is: 996,113.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,661.59 : 1,558,543.30 = 722,002.06 : x
  2. Step 2: Convert to fraction form
    1,129,661.59/1,558,543.30 = 722,002.06/x
  3. Step 3: Cross multiply
    1,129,661.59x = 1,558,543.30 × 722,002.06
  4. Step 4: Simplify right side
    1,129,661.59x = 1,125,271,466,606.20
  5. Step 5: Solve for x
    x = 1,125,271,466,606.20/1,129,661.59
  6. Step 6: Final answer
    x = 996,113.77

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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.