Home / 1,578,034.90-2,365,885.95-868,863.70

Finding the Fourth Proportional to 1,578,034.90, 2,365,885.95 and 868,863.70

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Solution

The fourth proportional to 1,578,034.90, 2,365,885.95 and 868,863.70 is: 1,302,653.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,578,034.90 : 2,365,885.95 = 868,863.70 : x
  2. Step 2: Convert to fraction form
    1,578,034.90/2,365,885.95 = 868,863.70/x
  3. Step 3: Cross multiply
    1,578,034.90x = 2,365,885.95 × 868,863.70
  4. Step 4: Simplify right side
    1,578,034.90x = 2,055,632,420,295.02
  5. Step 5: Solve for x
    x = 2,055,632,420,295.02/1,578,034.90
  6. Step 6: Final answer
    x = 1,302,653.33

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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.