Home / 1,120,464.64-1,681,041.42-1,001,382.49

Finding the Fourth Proportional to 1,120,464.64, 1,681,041.42 and 1,001,382.49

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Solution

The fourth proportional to 1,120,464.64, 1,681,041.42 and 1,001,382.49 is: 1,502,381.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,464.64 : 1,681,041.42 = 1,001,382.49 : x
  2. Step 2: Convert to fraction form
    1,120,464.64/1,681,041.42 = 1,001,382.49/x
  3. Step 3: Cross multiply
    1,120,464.64x = 1,681,041.42 × 1,001,382.49
  4. Step 4: Simplify right side
    1,120,464.64x = 1,683,365,442,952.74
  5. Step 5: Solve for x
    x = 1,683,365,442,952.74/1,120,464.64
  6. Step 6: Final answer
    x = 1,502,381.59

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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.