Home / 1,820,312.29-2,511,984.66-1,004,505.30

Finding the Fourth Proportional to 1,820,312.29, 2,511,984.66 and 1,004,505.30

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Solution

The fourth proportional to 1,820,312.29, 2,511,984.66 and 1,004,505.30 is: 1,386,191.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820,312.29 : 2,511,984.66 = 1,004,505.30 : x
  2. Step 2: Convert to fraction form
    1,820,312.29/2,511,984.66 = 1,004,505.30/x
  3. Step 3: Cross multiply
    1,820,312.29x = 2,511,984.66 × 1,004,505.30
  4. Step 4: Simplify right side
    1,820,312.29x = 2,523,301,900,721.80
  5. Step 5: Solve for x
    x = 2,523,301,900,721.80/1,820,312.29
  6. Step 6: Final answer
    x = 1,386,191.76

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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.