Home / 1,337,141.60-2,002,990.80-830,146.40

Finding the Fourth Proportional to 1,337,141.60, 2,002,990.80 and 830,146.40

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Solution

The fourth proportional to 1,337,141.60, 2,002,990.80 and 830,146.40 is: 1,243,529.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,337,141.60 : 2,002,990.80 = 830,146.40 : x
  2. Step 2: Convert to fraction form
    1,337,141.60/2,002,990.80 = 830,146.40/x
  3. Step 3: Cross multiply
    1,337,141.60x = 2,002,990.80 × 830,146.40
  4. Step 4: Simplify right side
    1,337,141.60x = 1,662,775,601,853.12
  5. Step 5: Solve for x
    x = 1,662,775,601,853.12/1,337,141.60
  6. Step 6: Final answer
    x = 1,243,529.93

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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.