Home / 766,011.72-1,054,813.68-749,017.92

Finding the Fourth Proportional to 766,011.72, 1,054,813.68 and 749,017.92

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Solution

The fourth proportional to 766,011.72, 1,054,813.68 and 749,017.92 is: 1,031,412.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,011.72 : 1,054,813.68 = 749,017.92 : x
  2. Step 2: Convert to fraction form
    766,011.72/1,054,813.68 = 749,017.92/x
  3. Step 3: Cross multiply
    766,011.72x = 1,054,813.68 × 749,017.92
  4. Step 4: Simplify right side
    766,011.72x = 790,074,348,581.15
  5. Step 5: Solve for x
    x = 790,074,348,581.15/766,011.72
  6. Step 6: Final answer
    x = 1,031,412.87

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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.