Home / 1,230,133.40-1,845,200.10-670,261.40

Finding the Fourth Proportional to 1,230,133.40, 1,845,200.10 and 670,261.40

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Solution

The fourth proportional to 1,230,133.40, 1,845,200.10 and 670,261.40 is: 1,005,392.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,133.40 : 1,845,200.10 = 670,261.40 : x
  2. Step 2: Convert to fraction form
    1,230,133.40/1,845,200.10 = 670,261.40/x
  3. Step 3: Cross multiply
    1,230,133.40x = 1,845,200.10 × 670,261.40
  4. Step 4: Simplify right side
    1,230,133.40x = 1,236,766,402,306.14
  5. Step 5: Solve for x
    x = 1,236,766,402,306.14/1,230,133.40
  6. Step 6: Final answer
    x = 1,005,392.10

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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.