Home / 1,148,888.56-1,723,342.20-390,902.28

Finding the Fourth Proportional to 1,148,888.56, 1,723,342.20 and 390,902.28

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Solution

The fourth proportional to 1,148,888.56, 1,723,342.20 and 390,902.28 is: 586,356.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,888.56 : 1,723,342.20 = 390,902.28 : x
  2. Step 2: Convert to fraction form
    1,148,888.56/1,723,342.20 = 390,902.28/x
  3. Step 3: Cross multiply
    1,148,888.56x = 1,723,342.20 × 390,902.28
  4. Step 4: Simplify right side
    1,148,888.56x = 673,658,395,200.22
  5. Step 5: Solve for x
    x = 673,658,395,200.22/1,148,888.56
  6. Step 6: Final answer
    x = 586,356.60

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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.