Home / 1,288,058.03-1,932,227.18-478,347.47

Finding the Fourth Proportional to 1,288,058.03, 1,932,227.18 and 478,347.47

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Solution

The fourth proportional to 1,288,058.03, 1,932,227.18 and 478,347.47 is: 717,573.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,288,058.03 : 1,932,227.18 = 478,347.47 : x
  2. Step 2: Convert to fraction form
    1,288,058.03/1,932,227.18 = 478,347.47/x
  3. Step 3: Cross multiply
    1,288,058.03x = 1,932,227.18 × 478,347.47
  4. Step 4: Simplify right side
    1,288,058.03x = 924,275,970,965.36
  5. Step 5: Solve for x
    x = 924,275,970,965.36/1,288,058.03
  6. Step 6: Final answer
    x = 717,573.24

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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.