Home / 1,133,497.30-1,561,565.65-788,740.34

Finding the Fourth Proportional to 1,133,497.30, 1,561,565.65 and 788,740.34

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Solution

The fourth proportional to 1,133,497.30, 1,561,565.65 and 788,740.34 is: 1,086,610.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,133,497.30 : 1,561,565.65 = 788,740.34 : x
  2. Step 2: Convert to fraction form
    1,133,497.30/1,561,565.65 = 788,740.34/x
  3. Step 3: Cross multiply
    1,133,497.30x = 1,561,565.65 × 788,740.34
  4. Step 4: Simplify right side
    1,133,497.30x = 1,231,669,817,789.51
  5. Step 5: Solve for x
    x = 1,231,669,817,789.51/1,133,497.30
  6. Step 6: Final answer
    x = 1,086,610.28

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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.