Home / 1,498,787.50-2,068,326.80-819,724

Finding the Fourth Proportional to 1,498,787.50, 2,068,326.80 and 819,724

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Solution

The fourth proportional to 1,498,787.50, 2,068,326.80 and 819,724 is: 1,131,219.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,498,787.50 : 2,068,326.80 = 819,724 : x
  2. Step 2: Convert to fraction form
    1,498,787.50/2,068,326.80 = 819,724/x
  3. Step 3: Cross multiply
    1,498,787.50x = 2,068,326.80 × 819,724
  4. Step 4: Simplify right side
    1,498,787.50x = 1,695,457,117,803.20
  5. Step 5: Solve for x
    x = 1,695,457,117,803.20/1,498,787.50
  6. Step 6: Final answer
    x = 1,131,219.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.