Home / 1,039,970.30-1,557,331.05-830,018.30

Finding the Fourth Proportional to 1,039,970.30, 1,557,331.05 and 830,018.30

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Solution

The fourth proportional to 1,039,970.30, 1,557,331.05 and 830,018.30 is: 1,242,932.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,970.30 : 1,557,331.05 = 830,018.30 : x
  2. Step 2: Convert to fraction form
    1,039,970.30/1,557,331.05 = 830,018.30/x
  3. Step 3: Cross multiply
    1,039,970.30x = 1,557,331.05 × 830,018.30
  4. Step 4: Simplify right side
    1,039,970.30x = 1,292,613,270,658.22
  5. Step 5: Solve for x
    x = 1,292,613,270,658.22/1,039,970.30
  6. Step 6: Final answer
    x = 1,242,932.87

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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.