Home / 1,816,708.81-2,724,972.62-679,387.39

Finding the Fourth Proportional to 1,816,708.81, 2,724,972.62 and 679,387.39

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Solution

The fourth proportional to 1,816,708.81, 2,724,972.62 and 679,387.39 is: 1,019,047.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,816,708.81 : 2,724,972.62 = 679,387.39 : x
  2. Step 2: Convert to fraction form
    1,816,708.81/2,724,972.62 = 679,387.39/x
  3. Step 3: Cross multiply
    1,816,708.81x = 2,724,972.62 × 679,387.39
  4. Step 4: Simplify right side
    1,816,708.81x = 1,851,312,032,726.33
  5. Step 5: Solve for x
    x = 1,851,312,032,726.33/1,816,708.81
  6. Step 6: Final answer
    x = 1,019,047.21

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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.