Home / 1,008,957.06-1,391,572.98-646,414.56

Finding the Fourth Proportional to 1,008,957.06, 1,391,572.98 and 646,414.56

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Solution

The fourth proportional to 1,008,957.06, 1,391,572.98 and 646,414.56 is: 891,547.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,957.06 : 1,391,572.98 = 646,414.56 : x
  2. Step 2: Convert to fraction form
    1,008,957.06/1,391,572.98 = 646,414.56/x
  3. Step 3: Cross multiply
    1,008,957.06x = 1,391,572.98 × 646,414.56
  4. Step 4: Simplify right side
    1,008,957.06x = 899,533,035,574.59
  5. Step 5: Solve for x
    x = 899,533,035,574.59/1,008,957.06
  6. Step 6: Final answer
    x = 891,547.39

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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.