Home / 1,635,925.65-2,257,235.19-947,349.72

Finding the Fourth Proportional to 1,635,925.65, 2,257,235.19 and 947,349.72

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Solution

The fourth proportional to 1,635,925.65, 2,257,235.19 and 947,349.72 is: 1,307,144.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,635,925.65 : 2,257,235.19 = 947,349.72 : x
  2. Step 2: Convert to fraction form
    1,635,925.65/2,257,235.19 = 947,349.72/x
  3. Step 3: Cross multiply
    1,635,925.65x = 2,257,235.19 × 947,349.72
  4. Step 4: Simplify right side
    1,635,925.65x = 2,138,391,125,220.65
  5. Step 5: Solve for x
    x = 2,138,391,125,220.65/1,635,925.65
  6. Step 6: Final answer
    x = 1,307,144.44

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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.