Home / 1,392,153.40-2,088,230.10-1,155,967.80

Finding the Fourth Proportional to 1,392,153.40, 2,088,230.10 and 1,155,967.80

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Solution

The fourth proportional to 1,392,153.40, 2,088,230.10 and 1,155,967.80 is: 1,733,951.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,392,153.40 : 2,088,230.10 = 1,155,967.80 : x
  2. Step 2: Convert to fraction form
    1,392,153.40/2,088,230.10 = 1,155,967.80/x
  3. Step 3: Cross multiply
    1,392,153.40x = 2,088,230.10 × 1,155,967.80
  4. Step 4: Simplify right side
    1,392,153.40x = 2,413,926,754,590.78
  5. Step 5: Solve for x
    x = 2,413,926,754,590.78/1,392,153.40
  6. Step 6: Final answer
    x = 1,733,951.70

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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.