Home / 1,102,904.20-1,654,356.30-392,955.40

Finding the Fourth Proportional to 1,102,904.20, 1,654,356.30 and 392,955.40

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Solution

The fourth proportional to 1,102,904.20, 1,654,356.30 and 392,955.40 is: 589,433.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,904.20 : 1,654,356.30 = 392,955.40 : x
  2. Step 2: Convert to fraction form
    1,102,904.20/1,654,356.30 = 392,955.40/x
  3. Step 3: Cross multiply
    1,102,904.20x = 1,654,356.30 × 392,955.40
  4. Step 4: Simplify right side
    1,102,904.20x = 650,088,241,609.02
  5. Step 5: Solve for x
    x = 650,088,241,609.02/1,102,904.20
  6. Step 6: Final answer
    x = 589,433.10

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Double scale
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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.