Home / 1,042,610.49-1,438,374.83-634,385.07

Finding the Fourth Proportional to 1,042,610.49, 1,438,374.83 and 634,385.07

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Solution

The fourth proportional to 1,042,610.49, 1,438,374.83 and 634,385.07 is: 875,191.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,610.49 : 1,438,374.83 = 634,385.07 : x
  2. Step 2: Convert to fraction form
    1,042,610.49/1,438,374.83 = 634,385.07/x
  3. Step 3: Cross multiply
    1,042,610.49x = 1,438,374.83 × 634,385.07
  4. Step 4: Simplify right side
    1,042,610.49x = 912,483,514,043.86
  5. Step 5: Solve for x
    x = 912,483,514,043.86/1,042,610.49
  6. Step 6: Final answer
    x = 875,191.19

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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.