Home / 1,042,803.59-1,562,942.23-442,503.68

Finding the Fourth Proportional to 1,042,803.59, 1,562,942.23 and 442,503.68

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Solution

The fourth proportional to 1,042,803.59, 1,562,942.23 and 442,503.68 is: 663,219.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,803.59 : 1,562,942.23 = 442,503.68 : x
  2. Step 2: Convert to fraction form
    1,042,803.59/1,562,942.23 = 442,503.68/x
  3. Step 3: Cross multiply
    1,042,803.59x = 1,562,942.23 × 442,503.68
  4. Step 4: Simplify right side
    1,042,803.59x = 691,607,681,970.52
  5. Step 5: Solve for x
    x = 691,607,681,970.52/1,042,803.59
  6. Step 6: Final answer
    x = 663,219.51

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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.