Home / 1,434,924.11-1,980,120.40-891,048.20

Finding the Fourth Proportional to 1,434,924.11, 1,980,120.40 and 891,048.20

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Solution

The fourth proportional to 1,434,924.11, 1,980,120.40 and 891,048.20 is: 1,229,600.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,924.11 : 1,980,120.40 = 891,048.20 : x
  2. Step 2: Convert to fraction form
    1,434,924.11/1,980,120.40 = 891,048.20/x
  3. Step 3: Cross multiply
    1,434,924.11x = 1,980,120.40 × 891,048.20
  4. Step 4: Simplify right side
    1,434,924.11x = 1,764,382,706,075.06
  5. Step 5: Solve for x
    x = 1,764,382,706,075.06/1,434,924.11
  6. Step 6: Final answer
    x = 1,229,600.01

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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.