Home / 755,557.02-1,127,807.73-665,879.22

Finding the Fourth Proportional to 755,557.02, 1,127,807.73 and 665,879.22

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Solution

The fourth proportional to 755,557.02, 1,127,807.73 and 665,879.22 is: 993,947.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,557.02 : 1,127,807.73 = 665,879.22 : x
  2. Step 2: Convert to fraction form
    755,557.02/1,127,807.73 = 665,879.22/x
  3. Step 3: Cross multiply
    755,557.02x = 1,127,807.73 × 665,879.22
  4. Step 4: Simplify right side
    755,557.02x = 750,983,731,562.37
  5. Step 5: Solve for x
    x = 750,983,731,562.37/755,557.02
  6. Step 6: Final answer
    x = 993,947.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.