Home / 1,664,855-2,297,501.95-900,908.56

Finding the Fourth Proportional to 1,664,855, 2,297,501.95 and 900,908.56

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Solution

The fourth proportional to 1,664,855, 2,297,501.95 and 900,908.56 is: 1,243,254.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,664,855 : 2,297,501.95 = 900,908.56 : x
  2. Step 2: Convert to fraction form
    1,664,855/2,297,501.95 = 900,908.56/x
  3. Step 3: Cross multiply
    1,664,855x = 2,297,501.95 × 900,908.56
  4. Step 4: Simplify right side
    1,664,855x = 2,069,839,173,371.69
  5. Step 5: Solve for x
    x = 2,069,839,173,371.69/1,664,855
  6. Step 6: Final answer
    x = 1,243,254.92

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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.