Home / 849,556.80-1,274,335.20-816,897.60

Finding the Fourth Proportional to 849,556.80, 1,274,335.20 and 816,897.60

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Solution

The fourth proportional to 849,556.80, 1,274,335.20 and 816,897.60 is: 1,225,346.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,556.80 : 1,274,335.20 = 816,897.60 : x
  2. Step 2: Convert to fraction form
    849,556.80/1,274,335.20 = 816,897.60/x
  3. Step 3: Cross multiply
    849,556.80x = 1,274,335.20 × 816,897.60
  4. Step 4: Simplify right side
    849,556.80x = 1,041,001,366,475.52
  5. Step 5: Solve for x
    x = 1,041,001,366,475.52/849,556.80
  6. Step 6: Final answer
    x = 1,225,346.40

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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.