Home / 1,510,184.82-2,083,585.65-856,703.22

Finding the Fourth Proportional to 1,510,184.82, 2,083,585.65 and 856,703.22

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Solution

The fourth proportional to 1,510,184.82, 2,083,585.65 and 856,703.22 is: 1,181,984.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,510,184.82 : 2,083,585.65 = 856,703.22 : x
  2. Step 2: Convert to fraction form
    1,510,184.82/2,083,585.65 = 856,703.22/x
  3. Step 3: Cross multiply
    1,510,184.82x = 2,083,585.65 × 856,703.22
  4. Step 4: Simplify right side
    1,510,184.82x = 1,785,014,535,500.79
  5. Step 5: Solve for x
    x = 1,785,014,535,500.79/1,510,184.82
  6. Step 6: Final answer
    x = 1,181,984.16

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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.