Home / 935,418.60-1,291,226.04-728,275.68

Finding the Fourth Proportional to 935,418.60, 1,291,226.04 and 728,275.68

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Solution

The fourth proportional to 935,418.60, 1,291,226.04 and 728,275.68 is: 1,005,291.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,418.60 : 1,291,226.04 = 728,275.68 : x
  2. Step 2: Convert to fraction form
    935,418.60/1,291,226.04 = 728,275.68/x
  3. Step 3: Cross multiply
    935,418.60x = 1,291,226.04 × 728,275.68
  4. Step 4: Simplify right side
    935,418.60x = 940,368,522,314.71
  5. Step 5: Solve for x
    x = 940,368,522,314.71/935,418.60
  6. Step 6: Final answer
    x = 1,005,291.67

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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.