Home / 1,170,019.20-1,615,376.88-955,673.76

Finding the Fourth Proportional to 1,170,019.20, 1,615,376.88 and 955,673.76

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Solution

The fourth proportional to 1,170,019.20, 1,615,376.88 and 955,673.76 is: 1,319,442.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,019.20 : 1,615,376.88 = 955,673.76 : x
  2. Step 2: Convert to fraction form
    1,170,019.20/1,615,376.88 = 955,673.76/x
  3. Step 3: Cross multiply
    1,170,019.20x = 1,615,376.88 × 955,673.76
  4. Step 4: Simplify right side
    1,170,019.20x = 1,543,773,296,726.67
  5. Step 5: Solve for x
    x = 1,543,773,296,726.67/1,170,019.20
  6. Step 6: Final answer
    x = 1,319,442.70

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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.