Home / 1,340,416.60-2,010,624.90-807,663.40

Finding the Fourth Proportional to 1,340,416.60, 2,010,624.90 and 807,663.40

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Solution

The fourth proportional to 1,340,416.60, 2,010,624.90 and 807,663.40 is: 1,211,495.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,416.60 : 2,010,624.90 = 807,663.40 : x
  2. Step 2: Convert to fraction form
    1,340,416.60/2,010,624.90 = 807,663.40/x
  3. Step 3: Cross multiply
    1,340,416.60x = 2,010,624.90 × 807,663.40
  4. Step 4: Simplify right side
    1,340,416.60x = 1,623,908,142,858.66
  5. Step 5: Solve for x
    x = 1,623,908,142,858.66/1,340,416.60
  6. Step 6: Final answer
    x = 1,211,495.10

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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.