Home / 1,020,909.43-1,528,688.71-719,759.53

Finding the Fourth Proportional to 1,020,909.43, 1,528,688.71 and 719,759.53

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Solution

The fourth proportional to 1,020,909.43, 1,528,688.71 and 719,759.53 is: 1,077,753.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,909.43 : 1,528,688.71 = 719,759.53 : x
  2. Step 2: Convert to fraction form
    1,020,909.43/1,528,688.71 = 719,759.53/x
  3. Step 3: Cross multiply
    1,020,909.43x = 1,528,688.71 × 719,759.53
  4. Step 4: Simplify right side
    1,020,909.43x = 1,100,288,267,425.91
  5. Step 5: Solve for x
    x = 1,100,288,267,425.91/1,020,909.43
  6. Step 6: Final answer
    x = 1,077,753.07

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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.