Home / 1,349,871.68-1,863,292.04-777,140.16

Finding the Fourth Proportional to 1,349,871.68, 1,863,292.04 and 777,140.16

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Solution

The fourth proportional to 1,349,871.68, 1,863,292.04 and 777,140.16 is: 1,072,723.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,349,871.68 : 1,863,292.04 = 777,140.16 : x
  2. Step 2: Convert to fraction form
    1,349,871.68/1,863,292.04 = 777,140.16/x
  3. Step 3: Cross multiply
    1,349,871.68x = 1,863,292.04 × 777,140.16
  4. Step 4: Simplify right side
    1,349,871.68x = 1,448,039,074,092.33
  5. Step 5: Solve for x
    x = 1,448,039,074,092.33/1,349,871.68
  6. Step 6: Final answer
    x = 1,072,723.50

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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.