Home / 1,042,564.25-1,438,311.09-634,338.83

Finding the Fourth Proportional to 1,042,564.25, 1,438,311.09 and 634,338.83

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Solution

The fourth proportional to 1,042,564.25, 1,438,311.09 and 634,338.83 is: 875,127.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,564.25 : 1,438,311.09 = 634,338.83 : x
  2. Step 2: Convert to fraction form
    1,042,564.25/1,438,311.09 = 634,338.83/x
  3. Step 3: Cross multiply
    1,042,564.25x = 1,438,311.09 × 634,338.83
  4. Step 4: Simplify right side
    1,042,564.25x = 912,376,574,006.63
  5. Step 5: Solve for x
    x = 912,376,574,006.63/1,042,564.25
  6. Step 6: Final answer
    x = 875,127.43

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1.5x scale

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.