Home / 1,449,985.42-2,175,000-503,386.21

Finding the Fourth Proportional to 1,449,985.42, 2,175,000 and 503,386.21

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Solution

The fourth proportional to 1,449,985.42, 2,175,000 and 503,386.21 is: 755,086.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,449,985.42 : 2,175,000 = 503,386.21 : x
  2. Step 2: Convert to fraction form
    1,449,985.42/2,175,000 = 503,386.21/x
  3. Step 3: Cross multiply
    1,449,985.42x = 2,175,000 × 503,386.21
  4. Step 4: Simplify right side
    1,449,985.42x = 1,094,865,006,750
  5. Step 5: Solve for x
    x = 1,094,865,006,750/1,449,985.42
  6. Step 6: Final answer
    x = 755,086.91

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1.5x scale

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.