Home / 1,246,307.28-1,869,775.85-347,748.45

Finding the Fourth Proportional to 1,246,307.28, 1,869,775.85 and 347,748.45

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Solution

The fourth proportional to 1,246,307.28, 1,869,775.85 and 347,748.45 is: 521,710.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246,307.28 : 1,869,775.85 = 347,748.45 : x
  2. Step 2: Convert to fraction form
    1,246,307.28/1,869,775.85 = 347,748.45/x
  3. Step 3: Cross multiply
    1,246,307.28x = 1,869,775.85 × 347,748.45
  4. Step 4: Simplify right side
    1,246,307.28x = 650,211,653,684.93
  5. Step 5: Solve for x
    x = 650,211,653,684.93/1,246,307.28
  6. Step 6: Final answer
    x = 521,710.55

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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.