Home / 1,490,157.81-2,053,958.31-1,054,011.69

Finding the Fourth Proportional to 1,490,157.81, 2,053,958.31 and 1,054,011.69

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Solution

The fourth proportional to 1,490,157.81, 2,053,958.31 and 1,054,011.69 is: 1,452,796.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,157.81 : 2,053,958.31 = 1,054,011.69 : x
  2. Step 2: Convert to fraction form
    1,490,157.81/2,053,958.31 = 1,054,011.69/x
  3. Step 3: Cross multiply
    1,490,157.81x = 2,053,958.31 × 1,054,011.69
  4. Step 4: Simplify right side
    1,490,157.81x = 2,164,896,069,512.64
  5. Step 5: Solve for x
    x = 2,164,896,069,512.64/1,490,157.81
  6. Step 6: Final answer
    x = 1,452,796.51

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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.