Home / 1,349,374.54-2,023,763.34-389,621.90

Finding the Fourth Proportional to 1,349,374.54, 2,023,763.34 and 389,621.90

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Solution

The fourth proportional to 1,349,374.54, 2,023,763.34 and 389,621.90 is: 584,346.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,349,374.54 : 2,023,763.34 = 389,621.90 : x
  2. Step 2: Convert to fraction form
    1,349,374.54/2,023,763.34 = 389,621.90/x
  3. Step 3: Cross multiply
    1,349,374.54x = 2,023,763.34 × 389,621.90
  4. Step 4: Simplify right side
    1,349,374.54x = 788,502,517,681.15
  5. Step 5: Solve for x
    x = 788,502,517,681.15/1,349,374.54
  6. Step 6: Final answer
    x = 584,346.67

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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.