Home / 1,077,109.02-1,615,658.66-278,322.66

Finding the Fourth Proportional to 1,077,109.02, 1,615,658.66 and 278,322.66

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Solution

The fourth proportional to 1,077,109.02, 1,615,658.66 and 278,322.66 is: 417,482.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,109.02 : 1,615,658.66 = 278,322.66 : x
  2. Step 2: Convert to fraction form
    1,077,109.02/1,615,658.66 = 278,322.66/x
  3. Step 3: Cross multiply
    1,077,109.02x = 1,615,658.66 × 278,322.66
  4. Step 4: Simplify right side
    1,077,109.02x = 449,674,415,903.24
  5. Step 5: Solve for x
    x = 449,674,415,903.24/1,077,109.02
  6. Step 6: Final answer
    x = 417,482.73

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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.