Home / 1,191,021.29-1,643,424.36-707,574.01

Finding the Fourth Proportional to 1,191,021.29, 1,643,424.36 and 707,574.01

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Solution

The fourth proportional to 1,191,021.29, 1,643,424.36 and 707,574.01 is: 976,342.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,021.29 : 1,643,424.36 = 707,574.01 : x
  2. Step 2: Convert to fraction form
    1,191,021.29/1,643,424.36 = 707,574.01/x
  3. Step 3: Cross multiply
    1,191,021.29x = 1,643,424.36 × 707,574.01
  4. Step 4: Simplify right side
    1,191,021.29x = 1,162,844,364,536.88
  5. Step 5: Solve for x
    x = 1,162,844,364,536.88/1,191,021.29
  6. Step 6: Final answer
    x = 976,342.22

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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.