Home / 1,216,316.73-1,678,783.56-707,312.73

Finding the Fourth Proportional to 1,216,316.73, 1,678,783.56 and 707,312.73

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Solution

The fourth proportional to 1,216,316.73, 1,678,783.56 and 707,312.73 is: 976,246.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,316.73 : 1,678,783.56 = 707,312.73 : x
  2. Step 2: Convert to fraction form
    1,216,316.73/1,678,783.56 = 707,312.73/x
  3. Step 3: Cross multiply
    1,216,316.73x = 1,678,783.56 × 707,312.73
  4. Step 4: Simplify right side
    1,216,316.73x = 1,187,424,982,902.72
  5. Step 5: Solve for x
    x = 1,187,424,982,902.72/1,216,316.73
  6. Step 6: Final answer
    x = 976,246.53

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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.