Home / 1,313,854.32-1,813,118.04-710,242.32

Finding the Fourth Proportional to 1,313,854.32, 1,813,118.04 and 710,242.32

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Solution

The fourth proportional to 1,313,854.32, 1,813,118.04 and 710,242.32 is: 980,133.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,854.32 : 1,813,118.04 = 710,242.32 : x
  2. Step 2: Convert to fraction form
    1,313,854.32/1,813,118.04 = 710,242.32/x
  3. Step 3: Cross multiply
    1,313,854.32x = 1,813,118.04 × 710,242.32
  4. Step 4: Simplify right side
    1,313,854.32x = 1,287,753,163,163.45
  5. Step 5: Solve for x
    x = 1,287,753,163,163.45/1,313,854.32
  6. Step 6: Final answer
    x = 980,133.90

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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.