Home / 1,291,426.13-1,782,184.46-710,716.12

Finding the Fourth Proportional to 1,291,426.13, 1,782,184.46 and 710,716.12

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Solution

The fourth proportional to 1,291,426.13, 1,782,184.46 and 710,716.12 is: 980,797.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,291,426.13 : 1,782,184.46 = 710,716.12 : x
  2. Step 2: Convert to fraction form
    1,291,426.13/1,782,184.46 = 710,716.12/x
  3. Step 3: Cross multiply
    1,291,426.13x = 1,782,184.46 × 710,716.12
  4. Step 4: Simplify right side
    1,291,426.13x = 1,266,627,233,547.39
  5. Step 5: Solve for x
    x = 1,266,627,233,547.39/1,291,426.13
  6. Step 6: Final answer
    x = 980,797.28

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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.