Home / 1,013,860.28-1,399,106.04-554,963.60

Finding the Fourth Proportional to 1,013,860.28, 1,399,106.04 and 554,963.60

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Solution

The fourth proportional to 1,013,860.28, 1,399,106.04 and 554,963.60 is: 765,838.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,860.28 : 1,399,106.04 = 554,963.60 : x
  2. Step 2: Convert to fraction form
    1,013,860.28/1,399,106.04 = 554,963.60/x
  3. Step 3: Cross multiply
    1,013,860.28x = 1,399,106.04 × 554,963.60
  4. Step 4: Simplify right side
    1,013,860.28x = 776,452,924,740.14
  5. Step 5: Solve for x
    x = 776,452,924,740.14/1,013,860.28
  6. Step 6: Final answer
    x = 765,838.19

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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.