Home / 1,499,730.12-2,069,627.70-820,666.68

Finding the Fourth Proportional to 1,499,730.12, 2,069,627.70 and 820,666.68

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Solution

The fourth proportional to 1,499,730.12, 2,069,627.70 and 820,666.68 is: 1,132,520.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,499,730.12 : 2,069,627.70 = 820,666.68 : x
  2. Step 2: Convert to fraction form
    1,499,730.12/2,069,627.70 = 820,666.68/x
  3. Step 3: Cross multiply
    1,499,730.12x = 2,069,627.70 × 820,666.68
  4. Step 4: Simplify right side
    1,499,730.12x = 1,698,474,493,395.04
  5. Step 5: Solve for x
    x = 1,698,474,493,395.04/1,499,730.12
  6. Step 6: Final answer
    x = 1,132,520.09

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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.