Home / 1,304,319.60-1,956,479.40-947,401.20

Finding the Fourth Proportional to 1,304,319.60, 1,956,479.40 and 947,401.20

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Solution

The fourth proportional to 1,304,319.60, 1,956,479.40 and 947,401.20 is: 1,421,101.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,304,319.60 : 1,956,479.40 = 947,401.20 : x
  2. Step 2: Convert to fraction form
    1,304,319.60/1,956,479.40 = 947,401.20/x
  3. Step 3: Cross multiply
    1,304,319.60x = 1,956,479.40 × 947,401.20
  4. Step 4: Simplify right side
    1,304,319.60x = 1,853,570,931,335.28
  5. Step 5: Solve for x
    x = 1,853,570,931,335.28/1,304,319.60
  6. Step 6: Final answer
    x = 1,421,101.80

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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.