Home / 1,420,572.17-1,960,357.38-775,995.23

Finding the Fourth Proportional to 1,420,572.17, 1,960,357.38 and 775,995.23

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Solution

The fourth proportional to 1,420,572.17, 1,960,357.38 and 775,995.23 is: 1,070,855.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,572.17 : 1,960,357.38 = 775,995.23 : x
  2. Step 2: Convert to fraction form
    1,420,572.17/1,960,357.38 = 775,995.23/x
  3. Step 3: Cross multiply
    1,420,572.17x = 1,960,357.38 × 775,995.23
  4. Step 4: Simplify right side
    1,420,572.17x = 1,521,227,977,966.21
  5. Step 5: Solve for x
    x = 1,521,227,977,966.21/1,420,572.17
  6. Step 6: Final answer
    x = 1,070,855.82

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1.5x scale

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.