Home / 1,495,310.40-2,242,965.60-698,148.90

Finding the Fourth Proportional to 1,495,310.40, 2,242,965.60 and 698,148.90

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Solution

The fourth proportional to 1,495,310.40, 2,242,965.60 and 698,148.90 is: 1,047,223.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,495,310.40 : 2,242,965.60 = 698,148.90 : x
  2. Step 2: Convert to fraction form
    1,495,310.40/2,242,965.60 = 698,148.90/x
  3. Step 3: Cross multiply
    1,495,310.40x = 2,242,965.60 × 698,148.90
  4. Step 4: Simplify right side
    1,495,310.40x = 1,565,923,966,377.84
  5. Step 5: Solve for x
    x = 1,565,923,966,377.84/1,495,310.40
  6. Step 6: Final answer
    x = 1,047,223.35

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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.