Home / 1,280,923.52-1,767,765.96-707,951.36

Finding the Fourth Proportional to 1,280,923.52, 1,767,765.96 and 707,951.36

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Solution

The fourth proportional to 1,280,923.52, 1,767,765.96 and 707,951.36 is: 977,023.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,923.52 : 1,767,765.96 = 707,951.36 : x
  2. Step 2: Convert to fraction form
    1,280,923.52/1,767,765.96 = 707,951.36/x
  3. Step 3: Cross multiply
    1,280,923.52x = 1,767,765.96 × 707,951.36
  4. Step 4: Simplify right side
    1,280,923.52x = 1,251,492,315,543.71
  5. Step 5: Solve for x
    x = 1,251,492,315,543.71/1,280,923.52
  6. Step 6: Final answer
    x = 977,023.45

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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.