Home / 1,293,567.32-1,785,177.96-720,607.34

Finding the Fourth Proportional to 1,293,567.32, 1,785,177.96 and 720,607.34

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Solution

The fourth proportional to 1,293,567.32, 1,785,177.96 and 720,607.34 is: 994,468.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,567.32 : 1,785,177.96 = 720,607.34 : x
  2. Step 2: Convert to fraction form
    1,293,567.32/1,785,177.96 = 720,607.34/x
  3. Step 3: Cross multiply
    1,293,567.32x = 1,785,177.96 × 720,607.34
  4. Step 4: Simplify right side
    1,293,567.32x = 1,286,412,341,182.23
  5. Step 5: Solve for x
    x = 1,286,412,341,182.23/1,293,567.32
  6. Step 6: Final answer
    x = 994,468.80

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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.