Home / 1,552,543.65-2,142,509.76-864,200.55

Finding the Fourth Proportional to 1,552,543.65, 2,142,509.76 and 864,200.55

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Solution

The fourth proportional to 1,552,543.65, 2,142,509.76 and 864,200.55 is: 1,192,596.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,552,543.65 : 2,142,509.76 = 864,200.55 : x
  2. Step 2: Convert to fraction form
    1,552,543.65/2,142,509.76 = 864,200.55/x
  3. Step 3: Cross multiply
    1,552,543.65x = 2,142,509.76 × 864,200.55
  4. Step 4: Simplify right side
    1,552,543.65x = 1,851,558,112,972.37
  5. Step 5: Solve for x
    x = 1,851,558,112,972.37/1,552,543.65
  6. Step 6: Final answer
    x = 1,192,596.49

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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.