Home / 1,307,576.72-1,804,965-824,047.12

Finding the Fourth Proportional to 1,307,576.72, 1,804,965 and 824,047.12

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Solution

The fourth proportional to 1,307,576.72, 1,804,965 and 824,047.12 is: 1,137,505.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,307,576.72 : 1,804,965 = 824,047.12 : x
  2. Step 2: Convert to fraction form
    1,307,576.72/1,804,965 = 824,047.12/x
  3. Step 3: Cross multiply
    1,307,576.72x = 1,804,965 × 824,047.12
  4. Step 4: Simplify right side
    1,307,576.72x = 1,487,376,209,950.80
  5. Step 5: Solve for x
    x = 1,487,376,209,950.80/1,307,576.72
  6. Step 6: Final answer
    x = 1,137,505.88

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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.