Home / 1,159,706.22-1,600,482.24-643,557.81

Finding the Fourth Proportional to 1,159,706.22, 1,600,482.24 and 643,557.81

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Solution

The fourth proportional to 1,159,706.22, 1,600,482.24 and 643,557.81 is: 888,158.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159,706.22 : 1,600,482.24 = 643,557.81 : x
  2. Step 2: Convert to fraction form
    1,159,706.22/1,600,482.24 = 643,557.81/x
  3. Step 3: Cross multiply
    1,159,706.22x = 1,600,482.24 × 643,557.81
  4. Step 4: Simplify right side
    1,159,706.22x = 1,030,002,842,100.51
  5. Step 5: Solve for x
    x = 1,030,002,842,100.51/1,159,706.22
  6. Step 6: Final answer
    x = 888,158.42

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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.