Home / 1,138,398.60-1,707,111.80-658,957.34

Finding the Fourth Proportional to 1,138,398.60, 1,707,111.80 and 658,957.34

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Solution

The fourth proportional to 1,138,398.60, 1,707,111.80 and 658,957.34 is: 988,154.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,398.60 : 1,707,111.80 = 658,957.34 : x
  2. Step 2: Convert to fraction form
    1,138,398.60/1,707,111.80 = 658,957.34/x
  3. Step 3: Cross multiply
    1,138,398.60x = 1,707,111.80 × 658,957.34
  4. Step 4: Simplify right side
    1,138,398.60x = 1,124,913,842,275.05
  5. Step 5: Solve for x
    x = 1,124,913,842,275.05/1,138,398.60
  6. Step 6: Final answer
    x = 988,154.63

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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.