Home / 1,087,612.20-1,629,824.70-975,292.20

Finding the Fourth Proportional to 1,087,612.20, 1,629,824.70 and 975,292.20

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Solution

The fourth proportional to 1,087,612.20, 1,629,824.70 and 975,292.20 is: 1,461,509.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,612.20 : 1,629,824.70 = 975,292.20 : x
  2. Step 2: Convert to fraction form
    1,087,612.20/1,629,824.70 = 975,292.20/x
  3. Step 3: Cross multiply
    1,087,612.20x = 1,629,824.70 × 975,292.20
  4. Step 4: Simplify right side
    1,087,612.20x = 1,589,555,317,277.34
  5. Step 5: Solve for x
    x = 1,589,555,317,277.34/1,087,612.20
  6. Step 6: Final answer
    x = 1,461,509.27

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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.