Home / 1,207,490.40-1,809,680.40-925,610.40

Finding the Fourth Proportional to 1,207,490.40, 1,809,680.40 and 925,610.40

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Solution

The fourth proportional to 1,207,490.40, 1,809,680.40 and 925,610.40 is: 1,387,223.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,490.40 : 1,809,680.40 = 925,610.40 : x
  2. Step 2: Convert to fraction form
    1,207,490.40/1,809,680.40 = 925,610.40/x
  3. Step 3: Cross multiply
    1,207,490.40x = 1,809,680.40 × 925,610.40
  4. Step 4: Simplify right side
    1,207,490.40x = 1,675,058,998,916.16
  5. Step 5: Solve for x
    x = 1,675,058,998,916.16/1,207,490.40
  6. Step 6: Final answer
    x = 1,387,223.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.