Home / 1,326,253.50-1,830,230.10-722,641.50

Finding the Fourth Proportional to 1,326,253.50, 1,830,230.10 and 722,641.50

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Solution

The fourth proportional to 1,326,253.50, 1,830,230.10 and 722,641.50 is: 997,245.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,253.50 : 1,830,230.10 = 722,641.50 : x
  2. Step 2: Convert to fraction form
    1,326,253.50/1,830,230.10 = 722,641.50/x
  3. Step 3: Cross multiply
    1,326,253.50x = 1,830,230.10 × 722,641.50
  4. Step 4: Simplify right side
    1,326,253.50x = 1,322,600,224,809.15
  5. Step 5: Solve for x
    x = 1,322,600,224,809.15/1,326,253.50
  6. Step 6: Final answer
    x = 997,245.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.