Home / 1,115,895.32-1,539,903.12-632,504.96

Finding the Fourth Proportional to 1,115,895.32, 1,539,903.12 and 632,504.96

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Solution

The fourth proportional to 1,115,895.32, 1,539,903.12 and 632,504.96 is: 872,838.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,895.32 : 1,539,903.12 = 632,504.96 : x
  2. Step 2: Convert to fraction form
    1,115,895.32/1,539,903.12 = 632,504.96/x
  3. Step 3: Cross multiply
    1,115,895.32x = 1,539,903.12 × 632,504.96
  4. Step 4: Simplify right side
    1,115,895.32x = 973,996,361,319.48
  5. Step 5: Solve for x
    x = 973,996,361,319.48/1,115,895.32
  6. Step 6: Final answer
    x = 872,838.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.