Home / 1,275,377.70-1,913,011.20-476,666.16

Finding the Fourth Proportional to 1,275,377.70, 1,913,011.20 and 476,666.16

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Solution

The fourth proportional to 1,275,377.70, 1,913,011.20 and 476,666.16 is: 714,978.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,377.70 : 1,913,011.20 = 476,666.16 : x
  2. Step 2: Convert to fraction form
    1,275,377.70/1,913,011.20 = 476,666.16/x
  3. Step 3: Cross multiply
    1,275,377.70x = 1,913,011.20 × 476,666.16
  4. Step 4: Simplify right side
    1,275,377.70x = 911,867,702,740.99
  5. Step 5: Solve for x
    x = 911,867,702,740.99/1,275,377.70
  6. Step 6: Final answer
    x = 714,978.55

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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.