Home / 1,232,014.40-1,847,848.80-390,651.20

Finding the Fourth Proportional to 1,232,014.40, 1,847,848.80 and 390,651.20

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Solution

The fourth proportional to 1,232,014.40, 1,847,848.80 and 390,651.20 is: 585,922.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,232,014.40 : 1,847,848.80 = 390,651.20 : x
  2. Step 2: Convert to fraction form
    1,232,014.40/1,847,848.80 = 390,651.20/x
  3. Step 3: Cross multiply
    1,232,014.40x = 1,847,848.80 × 390,651.20
  4. Step 4: Simplify right side
    1,232,014.40x = 721,864,351,138.56
  5. Step 5: Solve for x
    x = 721,864,351,138.56/1,232,014.40
  6. Step 6: Final answer
    x = 585,922.01

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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.