Home / 1,495,276.90-2,242,915.35-698,115.40

Finding the Fourth Proportional to 1,495,276.90, 2,242,915.35 and 698,115.40

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Solution

The fourth proportional to 1,495,276.90, 2,242,915.35 and 698,115.40 is: 1,047,173.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,495,276.90 : 2,242,915.35 = 698,115.40 : x
  2. Step 2: Convert to fraction form
    1,495,276.90/2,242,915.35 = 698,115.40/x
  3. Step 3: Cross multiply
    1,495,276.90x = 2,242,915.35 × 698,115.40
  4. Step 4: Simplify right side
    1,495,276.90x = 1,565,813,746,731.39
  5. Step 5: Solve for x
    x = 1,565,813,746,731.39/1,495,276.90
  6. Step 6: Final answer
    x = 1,047,173.10

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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.