Home / 1,341,624.78-2,012,437.17-919,621.26

Finding the Fourth Proportional to 1,341,624.78, 2,012,437.17 and 919,621.26

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Solution

The fourth proportional to 1,341,624.78, 2,012,437.17 and 919,621.26 is: 1,379,431.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341,624.78 : 2,012,437.17 = 919,621.26 : x
  2. Step 2: Convert to fraction form
    1,341,624.78/2,012,437.17 = 919,621.26/x
  3. Step 3: Cross multiply
    1,341,624.78x = 2,012,437.17 × 919,621.26
  4. Step 4: Simplify right side
    1,341,624.78x = 1,850,680,005,946.23
  5. Step 5: Solve for x
    x = 1,850,680,005,946.23/1,341,624.78
  6. Step 6: Final answer
    x = 1,379,431.89

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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.