Home / 1,154,123.12-1,592,657.36-644,825.52

Finding the Fourth Proportional to 1,154,123.12, 1,592,657.36 and 644,825.52

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Solution

The fourth proportional to 1,154,123.12, 1,592,657.36 and 644,825.52 is: 889,841.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,123.12 : 1,592,657.36 = 644,825.52 : x
  2. Step 2: Convert to fraction form
    1,154,123.12/1,592,657.36 = 644,825.52/x
  3. Step 3: Cross multiply
    1,154,123.12x = 1,592,657.36 × 644,825.52
  4. Step 4: Simplify right side
    1,154,123.12x = 1,026,986,110,343.83
  5. Step 5: Solve for x
    x = 1,026,986,110,343.83/1,154,123.12
  6. Step 6: Final answer
    x = 889,841.03

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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.