Home / 1,235,983.80-1,853,975.70-987,151.80

Finding the Fourth Proportional to 1,235,983.80, 1,853,975.70 and 987,151.80

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Solution

The fourth proportional to 1,235,983.80, 1,853,975.70 and 987,151.80 is: 1,480,727.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,983.80 : 1,853,975.70 = 987,151.80 : x
  2. Step 2: Convert to fraction form
    1,235,983.80/1,853,975.70 = 987,151.80/x
  3. Step 3: Cross multiply
    1,235,983.80x = 1,853,975.70 × 987,151.80
  4. Step 4: Simplify right side
    1,235,983.80x = 1,830,155,449,411.26
  5. Step 5: Solve for x
    x = 1,830,155,449,411.26/1,235,983.80
  6. Step 6: Final answer
    x = 1,480,727.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.