Home / 1,520,338.80-2,098,290.12-875,633.52

Finding the Fourth Proportional to 1,520,338.80, 2,098,290.12 and 875,633.52

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Solution

The fourth proportional to 1,520,338.80, 2,098,290.12 and 875,633.52 is: 1,208,502.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,520,338.80 : 2,098,290.12 = 875,633.52 : x
  2. Step 2: Convert to fraction form
    1,520,338.80/2,098,290.12 = 875,633.52/x
  3. Step 3: Cross multiply
    1,520,338.80x = 2,098,290.12 × 875,633.52
  4. Step 4: Simplify right side
    1,520,338.80x = 1,837,333,163,756.82
  5. Step 5: Solve for x
    x = 1,837,333,163,756.82/1,520,338.80
  6. Step 6: Final answer
    x = 1,208,502.45

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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.