Home / 1,288,666.02-1,778,254.98-744,837

Finding the Fourth Proportional to 1,288,666.02, 1,778,254.98 and 744,837

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Solution

The fourth proportional to 1,288,666.02, 1,778,254.98 and 744,837 is: 1,027,814.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,288,666.02 : 1,778,254.98 = 744,837 : x
  2. Step 2: Convert to fraction form
    1,288,666.02/1,778,254.98 = 744,837/x
  3. Step 3: Cross multiply
    1,288,666.02x = 1,778,254.98 × 744,837
  4. Step 4: Simplify right side
    1,288,666.02x = 1,324,510,104,538.26
  5. Step 5: Solve for x
    x = 1,324,510,104,538.26/1,288,666.02
  6. Step 6: Final answer
    x = 1,027,814.88

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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.