Home / 1,080,001.70-1,620,002.55-880,547.30

Finding the Fourth Proportional to 1,080,001.70, 1,620,002.55 and 880,547.30

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Solution

The fourth proportional to 1,080,001.70, 1,620,002.55 and 880,547.30 is: 1,320,820.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,001.70 : 1,620,002.55 = 880,547.30 : x
  2. Step 2: Convert to fraction form
    1,080,001.70/1,620,002.55 = 880,547.30/x
  3. Step 3: Cross multiply
    1,080,001.70x = 1,620,002.55 × 880,547.30
  4. Step 4: Simplify right side
    1,080,001.70x = 1,426,488,871,395.62
  5. Step 5: Solve for x
    x = 1,426,488,871,395.62/1,080,001.70
  6. Step 6: Final answer
    x = 1,320,820.95

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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.