Home / 1,319,098.32-1,978,724.02-372,389.76

Finding the Fourth Proportional to 1,319,098.32, 1,978,724.02 and 372,389.76

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Solution

The fourth proportional to 1,319,098.32, 1,978,724.02 and 372,389.76 is: 558,606.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,098.32 : 1,978,724.02 = 372,389.76 : x
  2. Step 2: Convert to fraction form
    1,319,098.32/1,978,724.02 = 372,389.76/x
  3. Step 3: Cross multiply
    1,319,098.32x = 1,978,724.02 × 372,389.76
  4. Step 4: Simplify right side
    1,319,098.32x = 736,856,562,914.04
  5. Step 5: Solve for x
    x = 736,856,562,914.04/1,319,098.32
  6. Step 6: Final answer
    x = 558,606.25

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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.