Home / 830,813.60-1,246,220.40-825,564.80

Finding the Fourth Proportional to 830,813.60, 1,246,220.40 and 825,564.80

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Solution

The fourth proportional to 830,813.60, 1,246,220.40 and 825,564.80 is: 1,238,347.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,813.60 : 1,246,220.40 = 825,564.80 : x
  2. Step 2: Convert to fraction form
    830,813.60/1,246,220.40 = 825,564.80/x
  3. Step 3: Cross multiply
    830,813.60x = 1,246,220.40 × 825,564.80
  4. Step 4: Simplify right side
    830,813.60x = 1,028,835,695,281.92
  5. Step 5: Solve for x
    x = 1,028,835,695,281.92/830,813.60
  6. Step 6: Final answer
    x = 1,238,347.20

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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.