Home / 1,604,557.79-2,214,307.07-879,389.90

Finding the Fourth Proportional to 1,604,557.79, 2,214,307.07 and 879,389.90

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Solution

The fourth proportional to 1,604,557.79, 2,214,307.07 and 879,389.90 is: 1,213,567.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,604,557.79 : 2,214,307.07 = 879,389.90 : x
  2. Step 2: Convert to fraction form
    1,604,557.79/2,214,307.07 = 879,389.90/x
  3. Step 3: Cross multiply
    1,604,557.79x = 2,214,307.07 × 879,389.90
  4. Step 4: Simplify right side
    1,604,557.79x = 1,947,239,273,936.04
  5. Step 5: Solve for x
    x = 1,947,239,273,936.04/1,604,557.79
  6. Step 6: Final answer
    x = 1,213,567.56

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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.