Home / 1,275,088.81-1,759,622.56-702,127.62

Finding the Fourth Proportional to 1,275,088.81, 1,759,622.56 and 702,127.62

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Solution

The fourth proportional to 1,275,088.81, 1,759,622.56 and 702,127.62 is: 968,936.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,088.81 : 1,759,622.56 = 702,127.62 : x
  2. Step 2: Convert to fraction form
    1,275,088.81/1,759,622.56 = 702,127.62/x
  3. Step 3: Cross multiply
    1,275,088.81x = 1,759,622.56 × 702,127.62
  4. Step 4: Simplify right side
    1,275,088.81x = 1,235,479,600,151.11
  5. Step 5: Solve for x
    x = 1,235,479,600,151.11/1,275,088.81
  6. Step 6: Final answer
    x = 968,936.12

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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.