Home / 1,508,871.28-2,082,267.60-864,347.68

Finding the Fourth Proportional to 1,508,871.28, 2,082,267.60 and 864,347.68

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Solution

The fourth proportional to 1,508,871.28, 2,082,267.60 and 864,347.68 is: 1,192,814.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,508,871.28 : 2,082,267.60 = 864,347.68 : x
  2. Step 2: Convert to fraction form
    1,508,871.28/2,082,267.60 = 864,347.68/x
  3. Step 3: Cross multiply
    1,508,871.28x = 2,082,267.60 × 864,347.68
  4. Step 4: Simplify right side
    1,508,871.28x = 1,799,803,169,199.17
  5. Step 5: Solve for x
    x = 1,799,803,169,199.17/1,508,871.28
  6. Step 6: Final answer
    x = 1,192,814.25

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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.