Home / 1,479,312.80-2,219,042.10-770,724.80

Finding the Fourth Proportional to 1,479,312.80, 2,219,042.10 and 770,724.80

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Solution

The fourth proportional to 1,479,312.80, 2,219,042.10 and 770,724.80 is: 1,156,125.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,479,312.80 : 2,219,042.10 = 770,724.80 : x
  2. Step 2: Convert to fraction form
    1,479,312.80/2,219,042.10 = 770,724.80/x
  3. Step 3: Cross multiply
    1,479,312.80x = 2,219,042.10 × 770,724.80
  4. Step 4: Simplify right side
    1,479,312.80x = 1,710,270,778,714.08
  5. Step 5: Solve for x
    x = 1,710,270,778,714.08/1,479,312.80
  6. Step 6: Final answer
    x = 1,156,125.18

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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.