Home / 1,239,630.48-1,859,200.68-340,840.32

Finding the Fourth Proportional to 1,239,630.48, 1,859,200.68 and 340,840.32

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Solution

The fourth proportional to 1,239,630.48, 1,859,200.68 and 340,840.32 is: 511,193.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,239,630.48 : 1,859,200.68 = 340,840.32 : x
  2. Step 2: Convert to fraction form
    1,239,630.48/1,859,200.68 = 340,840.32/x
  3. Step 3: Cross multiply
    1,239,630.48x = 1,859,200.68 × 340,840.32
  4. Step 4: Simplify right side
    1,239,630.48x = 633,690,554,715.42
  5. Step 5: Solve for x
    x = 633,690,554,715.42/1,239,630.48
  6. Step 6: Final answer
    x = 511,193.11

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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.