Home / 1,247,497.36-1,721,547.57-674,537.38

Finding the Fourth Proportional to 1,247,497.36, 1,721,547.57 and 674,537.38

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Solution

The fourth proportional to 1,247,497.36, 1,721,547.57 and 674,537.38 is: 930,862.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,497.36 : 1,721,547.57 = 674,537.38 : x
  2. Step 2: Convert to fraction form
    1,247,497.36/1,721,547.57 = 674,537.38/x
  3. Step 3: Cross multiply
    1,247,497.36x = 1,721,547.57 × 674,537.38
  4. Step 4: Simplify right side
    1,247,497.36x = 1,161,248,185,638.81
  5. Step 5: Solve for x
    x = 1,161,248,185,638.81/1,247,497.36
  6. Step 6: Final answer
    x = 930,862.24

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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.