Home / 1,532,486.20-2,298,972.30-521,703.40

Finding the Fourth Proportional to 1,532,486.20, 2,298,972.30 and 521,703.40

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Solution

The fourth proportional to 1,532,486.20, 2,298,972.30 and 521,703.40 is: 782,637.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,532,486.20 : 2,298,972.30 = 521,703.40 : x
  2. Step 2: Convert to fraction form
    1,532,486.20/2,298,972.30 = 521,703.40/x
  3. Step 3: Cross multiply
    1,532,486.20x = 2,298,972.30 × 521,703.40
  4. Step 4: Simplify right side
    1,532,486.20x = 1,199,381,665,415.82
  5. Step 5: Solve for x
    x = 1,199,381,665,415.82/1,532,486.20
  6. Step 6: Final answer
    x = 782,637.82

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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.