Home / 1,678,570.59-2,518,600.10-879,662.19

Finding the Fourth Proportional to 1,678,570.59, 2,518,600.10 and 879,662.19

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Solution

The fourth proportional to 1,678,570.59, 2,518,600.10 and 879,662.19 is: 1,319,883.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,570.59 : 2,518,600.10 = 879,662.19 : x
  2. Step 2: Convert to fraction form
    1,678,570.59/2,518,600.10 = 879,662.19/x
  3. Step 3: Cross multiply
    1,678,570.59x = 2,518,600.10 × 879,662.19
  4. Step 4: Simplify right side
    1,678,570.59x = 2,215,517,275,301.91
  5. Step 5: Solve for x
    x = 2,215,517,275,301.91/1,678,570.59
  6. Step 6: Final answer
    x = 1,319,883.29

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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.