Home / 1,344,133.16-1,853,657.80-980,981.80

Finding the Fourth Proportional to 1,344,133.16, 1,853,657.80 and 980,981.80

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Solution

The fourth proportional to 1,344,133.16, 1,853,657.80 and 980,981.80 is: 1,352,845.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344,133.16 : 1,853,657.80 = 980,981.80 : x
  2. Step 2: Convert to fraction form
    1,344,133.16/1,853,657.80 = 980,981.80/x
  3. Step 3: Cross multiply
    1,344,133.16x = 1,853,657.80 × 980,981.80
  4. Step 4: Simplify right side
    1,344,133.16x = 1,818,404,565,228.04
  5. Step 5: Solve for x
    x = 1,818,404,565,228.04/1,344,133.16
  6. Step 6: Final answer
    x = 1,352,845.55

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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.