Home / 1,759,730.40-2,642,803.20-1,539,280.80

Finding the Fourth Proportional to 1,759,730.40, 2,642,803.20 and 1,539,280.80

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Solution

The fourth proportional to 1,759,730.40, 2,642,803.20 and 1,539,280.80 is: 2,311,726.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,759,730.40 : 2,642,803.20 = 1,539,280.80 : x
  2. Step 2: Convert to fraction form
    1,759,730.40/2,642,803.20 = 1,539,280.80/x
  3. Step 3: Cross multiply
    1,759,730.40x = 2,642,803.20 × 1,539,280.80
  4. Step 4: Simplify right side
    1,759,730.40x = 4,068,016,223,938.56
  5. Step 5: Solve for x
    x = 4,068,016,223,938.56/1,759,730.40
  6. Step 6: Final answer
    x = 2,311,726.97

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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.