Home / 1,094,089.78-1,508,653.65-711,406.90

Finding the Fourth Proportional to 1,094,089.78, 1,508,653.65 and 711,406.90

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Solution

The fourth proportional to 1,094,089.78, 1,508,653.65 and 711,406.90 is: 980,967.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,094,089.78 : 1,508,653.65 = 711,406.90 : x
  2. Step 2: Convert to fraction form
    1,094,089.78/1,508,653.65 = 711,406.90/x
  3. Step 3: Cross multiply
    1,094,089.78x = 1,508,653.65 × 711,406.90
  4. Step 4: Simplify right side
    1,094,089.78x = 1,073,266,616,320.19
  5. Step 5: Solve for x
    x = 1,073,266,616,320.19/1,094,089.78
  6. Step 6: Final answer
    x = 980,967.59

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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.