Home / 1,061,553.70-1,465,065.12-631,835.20

Finding the Fourth Proportional to 1,061,553.70, 1,465,065.12 and 631,835.20

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Solution

The fourth proportional to 1,061,553.70, 1,465,065.12 and 631,835.20 is: 872,004.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,061,553.70 : 1,465,065.12 = 631,835.20 : x
  2. Step 2: Convert to fraction form
    1,061,553.70/1,465,065.12 = 631,835.20/x
  3. Step 3: Cross multiply
    1,061,553.70x = 1,465,065.12 × 631,835.20
  4. Step 4: Simplify right side
    1,061,553.70x = 925,679,713,108.22
  5. Step 5: Solve for x
    x = 925,679,713,108.22/1,061,553.70
  6. Step 6: Final answer
    x = 872,004.60

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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.