Home / 818,427.61-1,225,545.27-683,155.34

Finding the Fourth Proportional to 818,427.61, 1,225,545.27 and 683,155.34

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Solution

The fourth proportional to 818,427.61, 1,225,545.27 and 683,155.34 is: 1,022,983.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,427.61 : 1,225,545.27 = 683,155.34 : x
  2. Step 2: Convert to fraction form
    818,427.61/1,225,545.27 = 683,155.34/x
  3. Step 3: Cross multiply
    818,427.61x = 1,225,545.27 × 683,155.34
  4. Step 4: Simplify right side
    818,427.61x = 837,237,795,612.24
  5. Step 5: Solve for x
    x = 837,237,795,612.24/818,427.61
  6. Step 6: Final answer
    x = 1,022,983.32

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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.