Home / 1,191,706.99-1,643,012.04-771,855.81

Finding the Fourth Proportional to 1,191,706.99, 1,643,012.04 and 771,855.81

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Solution

The fourth proportional to 1,191,706.99, 1,643,012.04 and 771,855.81 is: 1,064,161.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,706.99 : 1,643,012.04 = 771,855.81 : x
  2. Step 2: Convert to fraction form
    1,191,706.99/1,643,012.04 = 771,855.81/x
  3. Step 3: Cross multiply
    1,191,706.99x = 1,643,012.04 × 771,855.81
  4. Step 4: Simplify right side
    1,191,706.99x = 1,268,168,388,973.95
  5. Step 5: Solve for x
    x = 1,268,168,388,973.95/1,191,706.99
  6. Step 6: Final answer
    x = 1,064,161.24

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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.