Home / 1,116,707.48-1,541,591.70-687,355.64

Finding the Fourth Proportional to 1,116,707.48, 1,541,591.70 and 687,355.64

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Solution

The fourth proportional to 1,116,707.48, 1,541,591.70 and 687,355.64 is: 948,880.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,707.48 : 1,541,591.70 = 687,355.64 : x
  2. Step 2: Convert to fraction form
    1,116,707.48/1,541,591.70 = 687,355.64/x
  3. Step 3: Cross multiply
    1,116,707.48x = 1,541,591.70 × 687,355.64
  4. Step 4: Simplify right side
    1,116,707.48x = 1,059,621,749,572.19
  5. Step 5: Solve for x
    x = 1,059,621,749,572.19/1,116,707.48
  6. Step 6: Final answer
    x = 948,880.32

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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.