Home / 836,811.16-1,155,355.52-642,873.48

Finding the Fourth Proportional to 836,811.16, 1,155,355.52 and 642,873.48

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Solution

The fourth proportional to 836,811.16, 1,155,355.52 and 642,873.48 is: 887,592.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,811.16 : 1,155,355.52 = 642,873.48 : x
  2. Step 2: Convert to fraction form
    836,811.16/1,155,355.52 = 642,873.48/x
  3. Step 3: Cross multiply
    836,811.16x = 1,155,355.52 × 642,873.48
  4. Step 4: Simplify right side
    836,811.16x = 742,747,423,779.61
  5. Step 5: Solve for x
    x = 742,747,423,779.61/836,811.16
  6. Step 6: Final answer
    x = 887,592.64

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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.