Home / 1,057,988.28-1,460,470.58-714,289.58

Finding the Fourth Proportional to 1,057,988.28, 1,460,470.58 and 714,289.58

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Solution

The fourth proportional to 1,057,988.28, 1,460,470.58 and 714,289.58 is: 986,021.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,988.28 : 1,460,470.58 = 714,289.58 : x
  2. Step 2: Convert to fraction form
    1,057,988.28/1,460,470.58 = 714,289.58/x
  3. Step 3: Cross multiply
    1,057,988.28x = 1,460,470.58 × 714,289.58
  4. Step 4: Simplify right side
    1,057,988.28x = 1,043,198,913,619.11
  5. Step 5: Solve for x
    x = 1,043,198,913,619.11/1,057,988.28
  6. Step 6: Final answer
    x = 986,021.24

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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.