Home / 1,125,406.80-1,688,110.20-1,060,452.90

Finding the Fourth Proportional to 1,125,406.80, 1,688,110.20 and 1,060,452.90

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Solution

The fourth proportional to 1,125,406.80, 1,688,110.20 and 1,060,452.90 is: 1,590,679.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125,406.80 : 1,688,110.20 = 1,060,452.90 : x
  2. Step 2: Convert to fraction form
    1,125,406.80/1,688,110.20 = 1,060,452.90/x
  3. Step 3: Cross multiply
    1,125,406.80x = 1,688,110.20 × 1,060,452.90
  4. Step 4: Simplify right side
    1,125,406.80x = 1,790,161,357,109.58
  5. Step 5: Solve for x
    x = 1,790,161,357,109.58/1,125,406.80
  6. Step 6: Final answer
    x = 1,590,679.35

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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.