Home / 1,087,715.39-1,628,079.35-581,009.36

Finding the Fourth Proportional to 1,087,715.39, 1,628,079.35 and 581,009.36

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Solution

The fourth proportional to 1,087,715.39, 1,628,079.35 and 581,009.36 is: 869,647.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,715.39 : 1,628,079.35 = 581,009.36 : x
  2. Step 2: Convert to fraction form
    1,087,715.39/1,628,079.35 = 581,009.36/x
  3. Step 3: Cross multiply
    1,087,715.39x = 1,628,079.35 × 581,009.36
  4. Step 4: Simplify right side
    1,087,715.39x = 945,929,330,127.27
  5. Step 5: Solve for x
    x = 945,929,330,127.27/1,087,715.39
  6. Step 6: Final answer
    x = 869,647.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.