Home / 1,120,346.28-1,681,266.60-581,099.58

Finding the Fourth Proportional to 1,120,346.28, 1,681,266.60 and 581,099.58

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Solution

The fourth proportional to 1,120,346.28, 1,681,266.60 and 581,099.58 is: 872,036.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,346.28 : 1,681,266.60 = 581,099.58 : x
  2. Step 2: Convert to fraction form
    1,120,346.28/1,681,266.60 = 581,099.58/x
  3. Step 3: Cross multiply
    1,120,346.28x = 1,681,266.60 × 581,099.58
  4. Step 4: Simplify right side
    1,120,346.28x = 976,983,315,128.03
  5. Step 5: Solve for x
    x = 976,983,315,128.03/1,120,346.28
  6. Step 6: Final answer
    x = 872,036.92

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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.