Home / 1,207,225.31-1,665,873.42-697,960.49

Finding the Fourth Proportional to 1,207,225.31, 1,665,873.42 and 697,960.49

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Solution

The fourth proportional to 1,207,225.31, 1,665,873.42 and 697,960.49 is: 963,129.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,225.31 : 1,665,873.42 = 697,960.49 : x
  2. Step 2: Convert to fraction form
    1,207,225.31/1,665,873.42 = 697,960.49/x
  3. Step 3: Cross multiply
    1,207,225.31x = 1,665,873.42 × 697,960.49
  4. Step 4: Simplify right side
    1,207,225.31x = 1,162,713,828,501.18
  5. Step 5: Solve for x
    x = 1,162,713,828,501.18/1,207,225.31
  6. Step 6: Final answer
    x = 963,129.10

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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.