Home / 1,807,724.76-2,711,603.04-459,888.78

Finding the Fourth Proportional to 1,807,724.76, 2,711,603.04 and 459,888.78

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Solution

The fourth proportional to 1,807,724.76, 2,711,603.04 and 459,888.78 is: 689,837.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,807,724.76 : 2,711,603.04 = 459,888.78 : x
  2. Step 2: Convert to fraction form
    1,807,724.76/2,711,603.04 = 459,888.78/x
  3. Step 3: Cross multiply
    1,807,724.76x = 2,711,603.04 × 459,888.78
  4. Step 4: Simplify right side
    1,807,724.76x = 1,247,035,813,909.89
  5. Step 5: Solve for x
    x = 1,247,035,813,909.89/1,807,724.76
  6. Step 6: Final answer
    x = 689,837.21

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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.