Home / 1,159,363.20-1,739,044.80-842,102.40

Finding the Fourth Proportional to 1,159,363.20, 1,739,044.80 and 842,102.40

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Solution

The fourth proportional to 1,159,363.20, 1,739,044.80 and 842,102.40 is: 1,263,153.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159,363.20 : 1,739,044.80 = 842,102.40 : x
  2. Step 2: Convert to fraction form
    1,159,363.20/1,739,044.80 = 842,102.40/x
  3. Step 3: Cross multiply
    1,159,363.20x = 1,739,044.80 × 842,102.40
  4. Step 4: Simplify right side
    1,159,363.20x = 1,464,453,799,787.52
  5. Step 5: Solve for x
    x = 1,464,453,799,787.52/1,159,363.20
  6. Step 6: Final answer
    x = 1,263,153.60

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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.