Home / 1,155,819.18-1,594,943.82-646,423.14

Finding the Fourth Proportional to 1,155,819.18, 1,594,943.82 and 646,423.14

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Solution

The fourth proportional to 1,155,819.18, 1,594,943.82 and 646,423.14 is: 892,015.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,819.18 : 1,594,943.82 = 646,423.14 : x
  2. Step 2: Convert to fraction form
    1,155,819.18/1,594,943.82 = 646,423.14/x
  3. Step 3: Cross multiply
    1,155,819.18x = 1,594,943.82 × 646,423.14
  4. Step 4: Simplify right side
    1,155,819.18x = 1,031,008,592,247.99
  5. Step 5: Solve for x
    x = 1,031,008,592,247.99/1,155,819.18
  6. Step 6: Final answer
    x = 892,015.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.