Home / 1,780,507.30-2,670,696.15-715,260.10

Finding the Fourth Proportional to 1,780,507.30, 2,670,696.15 and 715,260.10

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Solution

The fourth proportional to 1,780,507.30, 2,670,696.15 and 715,260.10 is: 1,072,864.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,780,507.30 : 2,670,696.15 = 715,260.10 : x
  2. Step 2: Convert to fraction form
    1,780,507.30/2,670,696.15 = 715,260.10/x
  3. Step 3: Cross multiply
    1,780,507.30x = 2,670,696.15 × 715,260.10
  4. Step 4: Simplify right side
    1,780,507.30x = 1,910,242,395,318.62
  5. Step 5: Solve for x
    x = 1,910,242,395,318.62/1,780,507.30
  6. Step 6: Final answer
    x = 1,072,864.12

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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.