Home / 1,807,711.25-2,711,582.76-459,875.28

Finding the Fourth Proportional to 1,807,711.25, 2,711,582.76 and 459,875.28

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Solution

The fourth proportional to 1,807,711.25, 2,711,582.76 and 459,875.28 is: 689,816.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,807,711.25 : 2,711,582.76 = 459,875.28 : x
  2. Step 2: Convert to fraction form
    1,807,711.25/2,711,582.76 = 459,875.28/x
  3. Step 3: Cross multiply
    1,807,711.25x = 2,711,582.76 × 459,875.28
  4. Step 4: Simplify right side
    1,807,711.25x = 1,246,989,880,998.17
  5. Step 5: Solve for x
    x = 1,246,989,880,998.17/1,807,711.25
  6. Step 6: Final answer
    x = 689,816.96

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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.