Home / 1,499,411.89-2,069,240.07-820,348.39

Finding the Fourth Proportional to 1,499,411.89, 2,069,240.07 and 820,348.39

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Solution

The fourth proportional to 1,499,411.89, 2,069,240.07 and 820,348.39 is: 1,132,109.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,499,411.89 : 2,069,240.07 = 820,348.39 : x
  2. Step 2: Convert to fraction form
    1,499,411.89/2,069,240.07 = 820,348.39/x
  3. Step 3: Cross multiply
    1,499,411.89x = 2,069,240.07 × 820,348.39
  4. Step 4: Simplify right side
    1,499,411.89x = 1,697,497,759,947.99
  5. Step 5: Solve for x
    x = 1,697,497,759,947.99/1,499,411.89
  6. Step 6: Final answer
    x = 1,132,109.04

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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.