Home / 1,720,142.46-2,580,221.95-522,075.17

Finding the Fourth Proportional to 1,720,142.46, 2,580,221.95 and 522,075.17

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Solution

The fourth proportional to 1,720,142.46, 2,580,221.95 and 522,075.17 is: 783,115.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,720,142.46 : 2,580,221.95 = 522,075.17 : x
  2. Step 2: Convert to fraction form
    1,720,142.46/2,580,221.95 = 522,075.17/x
  3. Step 3: Cross multiply
    1,720,142.46x = 2,580,221.95 × 522,075.17
  4. Step 4: Simplify right side
    1,720,142.46x = 1,347,069,818,329.35
  5. Step 5: Solve for x
    x = 1,347,069,818,329.35/1,720,142.46
  6. Step 6: Final answer
    x = 783,115.26

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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.