Home / 1,335,817.80-2,005,038.90-662,659.20

Finding the Fourth Proportional to 1,335,817.80, 2,005,038.90 and 662,659.20

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Solution

The fourth proportional to 1,335,817.80, 2,005,038.90 and 662,659.20 is: 994,639.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,335,817.80 : 2,005,038.90 = 662,659.20 : x
  2. Step 2: Convert to fraction form
    1,335,817.80/2,005,038.90 = 662,659.20/x
  3. Step 3: Cross multiply
    1,335,817.80x = 2,005,038.90 × 662,659.20
  4. Step 4: Simplify right side
    1,335,817.80x = 1,328,657,473,442.88
  5. Step 5: Solve for x
    x = 1,328,657,473,442.88/1,335,817.80
  6. Step 6: Final answer
    x = 994,639.74

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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.