Home / 1,299,506.09-1,792,598.45-755,581.70

Finding the Fourth Proportional to 1,299,506.09, 1,792,598.45 and 755,581.70

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Solution

The fourth proportional to 1,299,506.09, 1,792,598.45 and 755,581.70 is: 1,042,284.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,506.09 : 1,792,598.45 = 755,581.70 : x
  2. Step 2: Convert to fraction form
    1,299,506.09/1,792,598.45 = 755,581.70/x
  3. Step 3: Cross multiply
    1,299,506.09x = 1,792,598.45 × 755,581.70
  4. Step 4: Simplify right side
    1,299,506.09x = 1,354,454,584,971.95
  5. Step 5: Solve for x
    x = 1,354,454,584,971.95/1,299,506.09
  6. Step 6: Final answer
    x = 1,042,284.14

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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.