Home / 1,246,532.79-1,720,111.86-702,802.20

Finding the Fourth Proportional to 1,246,532.79, 1,720,111.86 and 702,802.20

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Solution

The fourth proportional to 1,246,532.79, 1,720,111.86 and 702,802.20 is: 969,808.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246,532.79 : 1,720,111.86 = 702,802.20 : x
  2. Step 2: Convert to fraction form
    1,246,532.79/1,720,111.86 = 702,802.20/x
  3. Step 3: Cross multiply
    1,246,532.79x = 1,720,111.86 × 702,802.20
  4. Step 4: Simplify right side
    1,246,532.79x = 1,208,898,399,454.09
  5. Step 5: Solve for x
    x = 1,208,898,399,454.09/1,246,532.79
  6. Step 6: Final answer
    x = 969,808.74

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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.