Home / 947,338.60-1,421,007.90-869,924.20

Finding the Fourth Proportional to 947,338.60, 1,421,007.90 and 869,924.20

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Solution

The fourth proportional to 947,338.60, 1,421,007.90 and 869,924.20 is: 1,304,886.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,338.60 : 1,421,007.90 = 869,924.20 : x
  2. Step 2: Convert to fraction form
    947,338.60/1,421,007.90 = 869,924.20/x
  3. Step 3: Cross multiply
    947,338.60x = 1,421,007.90 × 869,924.20
  4. Step 4: Simplify right side
    947,338.60x = 1,236,169,160,601.18
  5. Step 5: Solve for x
    x = 1,236,169,160,601.18/947,338.60
  6. Step 6: Final answer
    x = 1,304,886.30

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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.