Home / 1,570,939.20-2,354,853.60-771,566.40

Finding the Fourth Proportional to 1,570,939.20, 2,354,853.60 and 771,566.40

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Solution

The fourth proportional to 1,570,939.20, 2,354,853.60 and 771,566.40 is: 1,156,585.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,570,939.20 : 2,354,853.60 = 771,566.40 : x
  2. Step 2: Convert to fraction form
    1,570,939.20/2,354,853.60 = 771,566.40/x
  3. Step 3: Cross multiply
    1,570,939.20x = 2,354,853.60 × 771,566.40
  4. Step 4: Simplify right side
    1,570,939.20x = 1,816,925,914,679.04
  5. Step 5: Solve for x
    x = 1,816,925,914,679.04/1,570,939.20
  6. Step 6: Final answer
    x = 1,156,585.76

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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.