Home / 1,270,117.64-1,754,217.03-836,473.47

Finding the Fourth Proportional to 1,270,117.64, 1,754,217.03 and 836,473.47

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Solution

The fourth proportional to 1,270,117.64, 1,754,217.03 and 836,473.47 is: 1,155,291.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,117.64 : 1,754,217.03 = 836,473.47 : x
  2. Step 2: Convert to fraction form
    1,270,117.64/1,754,217.03 = 836,473.47/x
  3. Step 3: Cross multiply
    1,270,117.64x = 1,754,217.03 × 836,473.47
  4. Step 4: Simplify right side
    1,270,117.64x = 1,467,356,006,217.19
  5. Step 5: Solve for x
    x = 1,467,356,006,217.19/1,270,117.64
  6. Step 6: Final answer
    x = 1,155,291.42

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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.