Home / 1,288,060.03-1,932,230.18-478,349.47

Finding the Fourth Proportional to 1,288,060.03, 1,932,230.18 and 478,349.47

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Solution

The fourth proportional to 1,288,060.03, 1,932,230.18 and 478,349.47 is: 717,576.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,288,060.03 : 1,932,230.18 = 478,349.47 : x
  2. Step 2: Convert to fraction form
    1,288,060.03/1,932,230.18 = 478,349.47/x
  3. Step 3: Cross multiply
    1,288,060.03x = 1,932,230.18 × 478,349.47
  4. Step 4: Simplify right side
    1,288,060.03x = 924,281,282,521.01
  5. Step 5: Solve for x
    x = 924,281,282,521.01/1,288,060.03
  6. Step 6: Final answer
    x = 717,576.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.