Home / 1,007,394.80-1,511,092.20-930,412.40

Finding the Fourth Proportional to 1,007,394.80, 1,511,092.20 and 930,412.40

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Solution

The fourth proportional to 1,007,394.80, 1,511,092.20 and 930,412.40 is: 1,395,618.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,394.80 : 1,511,092.20 = 930,412.40 : x
  2. Step 2: Convert to fraction form
    1,007,394.80/1,511,092.20 = 930,412.40/x
  3. Step 3: Cross multiply
    1,007,394.80x = 1,511,092.20 × 930,412.40
  4. Step 4: Simplify right side
    1,007,394.80x = 1,405,938,920,423.28
  5. Step 5: Solve for x
    x = 1,405,938,920,423.28/1,007,394.80
  6. Step 6: Final answer
    x = 1,395,618.60

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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.