Home / 1,540,312.40-2,310,425.40-698,862.80

Finding the Fourth Proportional to 1,540,312.40, 2,310,425.40 and 698,862.80

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Solution

The fourth proportional to 1,540,312.40, 2,310,425.40 and 698,862.80 is: 1,048,274.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,540,312.40 : 2,310,425.40 = 698,862.80 : x
  2. Step 2: Convert to fraction form
    1,540,312.40/2,310,425.40 = 698,862.80/x
  3. Step 3: Cross multiply
    1,540,312.40x = 2,310,425.40 × 698,862.80
  4. Step 4: Simplify right side
    1,540,312.40x = 1,614,670,364,235.12
  5. Step 5: Solve for x
    x = 1,614,670,364,235.12/1,540,312.40
  6. Step 6: Final answer
    x = 1,048,274.60

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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.