Home / 1,116,795.58-1,670,966.02-661,631.18

Finding the Fourth Proportional to 1,116,795.58, 1,670,966.02 and 661,631.18

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Solution

The fourth proportional to 1,116,795.58, 1,670,966.02 and 661,631.18 is: 989,942.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,795.58 : 1,670,966.02 = 661,631.18 : x
  2. Step 2: Convert to fraction form
    1,116,795.58/1,670,966.02 = 661,631.18/x
  3. Step 3: Cross multiply
    1,116,795.58x = 1,670,966.02 × 661,631.18
  4. Step 4: Simplify right side
    1,116,795.58x = 1,105,563,219,552.50
  5. Step 5: Solve for x
    x = 1,105,563,219,552.50/1,116,795.58
  6. Step 6: Final answer
    x = 989,942.33

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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.