Home / 1,103,485.65-1,656,285.53-571,388.55

Finding the Fourth Proportional to 1,103,485.65, 1,656,285.53 and 571,388.55

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Solution

The fourth proportional to 1,103,485.65, 1,656,285.53 and 571,388.55 is: 857,630.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103,485.65 : 1,656,285.53 = 571,388.55 : x
  2. Step 2: Convert to fraction form
    1,103,485.65/1,656,285.53 = 571,388.55/x
  3. Step 3: Cross multiply
    1,103,485.65x = 1,656,285.53 × 571,388.55
  4. Step 4: Simplify right side
    1,103,485.65x = 946,382,584,515.74
  5. Step 5: Solve for x
    x = 946,382,584,515.74/1,103,485.65
  6. Step 6: Final answer
    x = 857,630.17

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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.