Home / 1,042,566.63-1,438,314.37-634,341.21

Finding the Fourth Proportional to 1,042,566.63, 1,438,314.37 and 634,341.21

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Solution

The fourth proportional to 1,042,566.63, 1,438,314.37 and 634,341.21 is: 875,130.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,566.63 : 1,438,314.37 = 634,341.21 : x
  2. Step 2: Convert to fraction form
    1,042,566.63/1,438,314.37 = 634,341.21/x
  3. Step 3: Cross multiply
    1,042,566.63x = 1,438,314.37 × 634,341.21
  4. Step 4: Simplify right side
    1,042,566.63x = 912,382,070,846.66
  5. Step 5: Solve for x
    x = 912,382,070,846.66/1,042,566.63
  6. Step 6: Final answer
    x = 875,130.71

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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.