Home / 1,057,721.18-1,460,857.02-712,962.50

Finding the Fourth Proportional to 1,057,721.18, 1,460,857.02 and 712,962.50

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Solution

The fourth proportional to 1,057,721.18, 1,460,857.02 and 712,962.50 is: 984,698.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,721.18 : 1,460,857.02 = 712,962.50 : x
  2. Step 2: Convert to fraction form
    1,057,721.18/1,460,857.02 = 712,962.50/x
  3. Step 3: Cross multiply
    1,057,721.18x = 1,460,857.02 × 712,962.50
  4. Step 4: Simplify right side
    1,057,721.18x = 1,041,536,265,817.47
  5. Step 5: Solve for x
    x = 1,041,536,265,817.47/1,057,721.18
  6. Step 6: Final answer
    x = 984,698.32

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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.