Home / 1,498,077.60-2,242,450.80-865,111.20

Finding the Fourth Proportional to 1,498,077.60, 2,242,450.80 and 865,111.20

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Solution

The fourth proportional to 1,498,077.60, 2,242,450.80 and 865,111.20 is: 1,294,972.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,498,077.60 : 2,242,450.80 = 865,111.20 : x
  2. Step 2: Convert to fraction form
    1,498,077.60/2,242,450.80 = 865,111.20/x
  3. Step 3: Cross multiply
    1,498,077.60x = 2,242,450.80 × 865,111.20
  4. Step 4: Simplify right side
    1,498,077.60x = 1,939,969,302,528.96
  5. Step 5: Solve for x
    x = 1,939,969,302,528.96/1,498,077.60
  6. Step 6: Final answer
    x = 1,294,972.51

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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.