Home / 1,275,009.46-1,759,551.76-702,070.13

Finding the Fourth Proportional to 1,275,009.46, 1,759,551.76 and 702,070.13

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Solution

The fourth proportional to 1,275,009.46, 1,759,551.76 and 702,070.13 is: 968,878.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,009.46 : 1,759,551.76 = 702,070.13 : x
  2. Step 2: Convert to fraction form
    1,275,009.46/1,759,551.76 = 702,070.13/x
  3. Step 3: Cross multiply
    1,275,009.46x = 1,759,551.76 × 702,070.13
  4. Step 4: Simplify right side
    1,275,009.46x = 1,235,328,738,161.40
  5. Step 5: Solve for x
    x = 1,235,328,738,161.40/1,275,009.46
  6. Step 6: Final answer
    x = 968,878.10

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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.