Home / 752,001.80-1,128,002.70-705,345.80

Finding the Fourth Proportional to 752,001.80, 1,128,002.70 and 705,345.80

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Solution

The fourth proportional to 752,001.80, 1,128,002.70 and 705,345.80 is: 1,058,018.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,001.80 : 1,128,002.70 = 705,345.80 : x
  2. Step 2: Convert to fraction form
    752,001.80/1,128,002.70 = 705,345.80/x
  3. Step 3: Cross multiply
    752,001.80x = 1,128,002.70 × 705,345.80
  4. Step 4: Simplify right side
    752,001.80x = 795,631,966,833.66
  5. Step 5: Solve for x
    x = 795,631,966,833.66/752,001.80
  6. Step 6: Final answer
    x = 1,058,018.70

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1.5x scale

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.