Home / 1,578,423.06-2,367,656.46-513,470.70

Finding the Fourth Proportional to 1,578,423.06, 2,367,656.46 and 513,470.70

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Solution

The fourth proportional to 1,578,423.06, 2,367,656.46 and 513,470.70 is: 770,213.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,578,423.06 : 2,367,656.46 = 513,470.70 : x
  2. Step 2: Convert to fraction form
    1,578,423.06/2,367,656.46 = 513,470.70/x
  3. Step 3: Cross multiply
    1,578,423.06x = 2,367,656.46 × 513,470.70
  4. Step 4: Simplify right side
    1,578,423.06x = 1,215,722,219,875.72
  5. Step 5: Solve for x
    x = 1,215,722,219,875.72/1,578,423.06
  6. Step 6: Final answer
    x = 770,213.16

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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.