Home / 1,021,700.70-1,532,678.28-347,730.21

Finding the Fourth Proportional to 1,021,700.70, 1,532,678.28 and 347,730.21

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Solution

The fourth proportional to 1,021,700.70, 1,532,678.28 and 347,730.21 is: 521,638.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,700.70 : 1,532,678.28 = 347,730.21 : x
  2. Step 2: Convert to fraction form
    1,021,700.70/1,532,678.28 = 347,730.21/x
  3. Step 3: Cross multiply
    1,021,700.70x = 1,532,678.28 × 347,730.21
  4. Step 4: Simplify right side
    1,021,700.70x = 532,958,540,166.84
  5. Step 5: Solve for x
    x = 532,958,540,166.84/1,021,700.70
  6. Step 6: Final answer
    x = 521,638.62

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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.