Home / 830,565.60-1,245,848.40-825,316.80

Finding the Fourth Proportional to 830,565.60, 1,245,848.40 and 825,316.80

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Solution

The fourth proportional to 830,565.60, 1,245,848.40 and 825,316.80 is: 1,237,975.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,565.60 : 1,245,848.40 = 825,316.80 : x
  2. Step 2: Convert to fraction form
    830,565.60/1,245,848.40 = 825,316.80/x
  3. Step 3: Cross multiply
    830,565.60x = 1,245,848.40 × 825,316.80
  4. Step 4: Simplify right side
    830,565.60x = 1,028,219,614,773.12
  5. Step 5: Solve for x
    x = 1,028,219,614,773.12/830,565.60
  6. Step 6: Final answer
    x = 1,237,975.20

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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.