Home / 1,387,918.80-2,082,655.80-589,064.40

Finding the Fourth Proportional to 1,387,918.80, 2,082,655.80 and 589,064.40

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Solution

The fourth proportional to 1,387,918.80, 2,082,655.80 and 589,064.40 is: 883,926.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,387,918.80 : 2,082,655.80 = 589,064.40 : x
  2. Step 2: Convert to fraction form
    1,387,918.80/2,082,655.80 = 589,064.40/x
  3. Step 3: Cross multiply
    1,387,918.80x = 2,082,655.80 × 589,064.40
  4. Step 4: Simplify right side
    1,387,918.80x = 1,226,818,389,233.52
  5. Step 5: Solve for x
    x = 1,226,818,389,233.52/1,387,918.80
  6. Step 6: Final answer
    x = 883,926.63

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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.