Home / 1,246,342.60-1,869,416.70-488,036.80

Finding the Fourth Proportional to 1,246,342.60, 1,869,416.70 and 488,036.80

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Solution

The fourth proportional to 1,246,342.60, 1,869,416.70 and 488,036.80 is: 732,017.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246,342.60 : 1,869,416.70 = 488,036.80 : x
  2. Step 2: Convert to fraction form
    1,246,342.60/1,869,416.70 = 488,036.80/x
  3. Step 3: Cross multiply
    1,246,342.60x = 1,869,416.70 × 488,036.80
  4. Step 4: Simplify right side
    1,246,342.60x = 912,344,144,134.56
  5. Step 5: Solve for x
    x = 912,344,144,134.56/1,246,342.60
  6. Step 6: Final answer
    x = 732,017.14

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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.