Home / 1,266,880.80-1,900,320.63-508,722

Finding the Fourth Proportional to 1,266,880.80, 1,900,320.63 and 508,722

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Solution

The fourth proportional to 1,266,880.80, 1,900,320.63 and 508,722 is: 763,082.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,880.80 : 1,900,320.63 = 508,722 : x
  2. Step 2: Convert to fraction form
    1,266,880.80/1,900,320.63 = 508,722/x
  3. Step 3: Cross multiply
    1,266,880.80x = 1,900,320.63 × 508,722
  4. Step 4: Simplify right side
    1,266,880.80x = 966,734,911,534.86
  5. Step 5: Solve for x
    x = 966,734,911,534.86/1,266,880.80
  6. Step 6: Final answer
    x = 763,082.77

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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.