Home / 1,387,153.20-2,079,347.40-637,892.40

Finding the Fourth Proportional to 1,387,153.20, 2,079,347.40 and 637,892.40

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Solution

The fourth proportional to 1,387,153.20, 2,079,347.40 and 637,892.40 is: 956,202.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,387,153.20 : 2,079,347.40 = 637,892.40 : x
  2. Step 2: Convert to fraction form
    1,387,153.20/2,079,347.40 = 637,892.40/x
  3. Step 3: Cross multiply
    1,387,153.20x = 2,079,347.40 × 637,892.40
  4. Step 4: Simplify right side
    1,387,153.20x = 1,326,399,903,419.76
  5. Step 5: Solve for x
    x = 1,326,399,903,419.76/1,387,153.20
  6. Step 6: Final answer
    x = 956,202.89

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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.