Home / 1,120,051.60-1,679,002.20-371,712.40

Finding the Fourth Proportional to 1,120,051.60, 1,679,002.20 and 371,712.40

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Solution

The fourth proportional to 1,120,051.60, 1,679,002.20 and 371,712.40 is: 557,211.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,051.60 : 1,679,002.20 = 371,712.40 : x
  2. Step 2: Convert to fraction form
    1,120,051.60/1,679,002.20 = 371,712.40/x
  3. Step 3: Cross multiply
    1,120,051.60x = 1,679,002.20 × 371,712.40
  4. Step 4: Simplify right side
    1,120,051.60x = 624,105,937,367.28
  5. Step 5: Solve for x
    x = 624,105,937,367.28/1,120,051.60
  6. Step 6: Final answer
    x = 557,211.77

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1.5x scale

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.