Home / 1,319,095.56-1,978,719.89-372,387

Finding the Fourth Proportional to 1,319,095.56, 1,978,719.89 and 372,387

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Solution

The fourth proportional to 1,319,095.56, 1,978,719.89 and 372,387 is: 558,602.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,095.56 : 1,978,719.89 = 372,387 : x
  2. Step 2: Convert to fraction form
    1,319,095.56/1,978,719.89 = 372,387/x
  3. Step 3: Cross multiply
    1,319,095.56x = 1,978,719.89 × 372,387
  4. Step 4: Simplify right side
    1,319,095.56x = 736,849,561,815.50
  5. Step 5: Solve for x
    x = 736,849,561,815.50/1,319,095.56
  6. Step 6: Final answer
    x = 558,602.11

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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.