Home / 1,609,392.30-2,414,088.45-611,990.70

Finding the Fourth Proportional to 1,609,392.30, 2,414,088.45 and 611,990.70

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Solution

The fourth proportional to 1,609,392.30, 2,414,088.45 and 611,990.70 is: 917,986.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,609,392.30 : 2,414,088.45 = 611,990.70 : x
  2. Step 2: Convert to fraction form
    1,609,392.30/2,414,088.45 = 611,990.70/x
  3. Step 3: Cross multiply
    1,609,392.30x = 2,414,088.45 × 611,990.70
  4. Step 4: Simplify right side
    1,609,392.30x = 1,477,399,680,377.42
  5. Step 5: Solve for x
    x = 1,477,399,680,377.42/1,609,392.30
  6. Step 6: Final answer
    x = 917,986.05

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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.