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Finding the Fourth Proportional to 1,166,754, 1,610,121.48 and 630,210

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Solution

The fourth proportional to 1,166,754, 1,610,121.48 and 630,210 is: 869,690.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166,754 : 1,610,121.48 = 630,210 : x
  2. Step 2: Convert to fraction form
    1,166,754/1,610,121.48 = 630,210/x
  3. Step 3: Cross multiply
    1,166,754x = 1,610,121.48 × 630,210
  4. Step 4: Simplify right side
    1,166,754x = 1,014,714,657,910.80
  5. Step 5: Solve for x
    x = 1,014,714,657,910.80/1,166,754
  6. Step 6: Final answer
    x = 869,690.32

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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.