Home / 1,279,678.03-1,919,875.77-560,082.43

Finding the Fourth Proportional to 1,279,678.03, 1,919,875.77 and 560,082.43

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Solution

The fourth proportional to 1,279,678.03, 1,919,875.77 and 560,082.43 is: 840,280.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,678.03 : 1,919,875.77 = 560,082.43 : x
  2. Step 2: Convert to fraction form
    1,279,678.03/1,919,875.77 = 560,082.43/x
  3. Step 3: Cross multiply
    1,279,678.03x = 1,919,875.77 × 560,082.43
  4. Step 4: Simplify right side
    1,279,678.03x = 1,075,288,688,959.57
  5. Step 5: Solve for x
    x = 1,075,288,688,959.57/1,279,678.03
  6. Step 6: Final answer
    x = 840,280.65

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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.