Home / 1,118,161.37-1,684,710.78-1,011,681.81

Finding the Fourth Proportional to 1,118,161.37, 1,684,710.78 and 1,011,681.81

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Solution

The fourth proportional to 1,118,161.37, 1,684,710.78 and 1,011,681.81 is: 1,524,280.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,161.37 : 1,684,710.78 = 1,011,681.81 : x
  2. Step 2: Convert to fraction form
    1,118,161.37/1,684,710.78 = 1,011,681.81/x
  3. Step 3: Cross multiply
    1,118,161.37x = 1,684,710.78 × 1,011,681.81
  4. Step 4: Simplify right side
    1,118,161.37x = 1,704,391,251,236.91
  5. Step 5: Solve for x
    x = 1,704,391,251,236.91/1,118,161.37
  6. Step 6: Final answer
    x = 1,524,280.22

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.