Home / 1,149,624.94-1,586,482.86-666,470.20

Finding the Fourth Proportional to 1,149,624.94, 1,586,482.86 and 666,470.20

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Solution

The fourth proportional to 1,149,624.94, 1,586,482.86 and 666,470.20 is: 919,729.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,624.94 : 1,586,482.86 = 666,470.20 : x
  2. Step 2: Convert to fraction form
    1,149,624.94/1,586,482.86 = 666,470.20/x
  3. Step 3: Cross multiply
    1,149,624.94x = 1,586,482.86 × 666,470.20
  4. Step 4: Simplify right side
    1,149,624.94x = 1,057,343,549,000.77
  5. Step 5: Solve for x
    x = 1,057,343,549,000.77/1,149,624.94
  6. Step 6: Final answer
    x = 919,729.13

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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.