Home / 1,465,239.08-2,021,570.82-820,572.20

Finding the Fourth Proportional to 1,465,239.08, 2,021,570.82 and 820,572.20

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Solution

The fourth proportional to 1,465,239.08, 2,021,570.82 and 820,572.20 is: 1,132,132.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,465,239.08 : 2,021,570.82 = 820,572.20 : x
  2. Step 2: Convert to fraction form
    1,465,239.08/2,021,570.82 = 820,572.20/x
  3. Step 3: Cross multiply
    1,465,239.08x = 2,021,570.82 × 820,572.20
  4. Step 4: Simplify right side
    1,465,239.08x = 1,658,844,815,223.20
  5. Step 5: Solve for x
    x = 1,658,844,815,223.20/1,465,239.08
  6. Step 6: Final answer
    x = 1,132,132.52

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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.