Home / 1,246,307.40-1,869,776.28-347,748.72

Finding the Fourth Proportional to 1,246,307.40, 1,869,776.28 and 347,748.72

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Solution

The fourth proportional to 1,246,307.40, 1,869,776.28 and 347,748.72 is: 521,711.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246,307.40 : 1,869,776.28 = 347,748.72 : x
  2. Step 2: Convert to fraction form
    1,246,307.40/1,869,776.28 = 347,748.72/x
  3. Step 3: Cross multiply
    1,246,307.40x = 1,869,776.28 × 347,748.72
  4. Step 4: Simplify right side
    1,246,307.40x = 650,212,308,056.36
  5. Step 5: Solve for x
    x = 650,212,308,056.36/1,246,307.40
  6. Step 6: Final answer
    x = 521,711.02

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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.