Home / 1,270,316.40-1,753,038.33-689,539.14

Finding the Fourth Proportional to 1,270,316.40, 1,753,038.33 and 689,539.14

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Solution

The fourth proportional to 1,270,316.40, 1,753,038.33 and 689,539.14 is: 951,564.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,316.40 : 1,753,038.33 = 689,539.14 : x
  2. Step 2: Convert to fraction form
    1,270,316.40/1,753,038.33 = 689,539.14/x
  3. Step 3: Cross multiply
    1,270,316.40x = 1,753,038.33 × 689,539.14
  4. Step 4: Simplify right side
    1,270,316.40x = 1,208,788,542,455.24
  5. Step 5: Solve for x
    x = 1,208,788,542,455.24/1,270,316.40
  6. Step 6: Final answer
    x = 951,564.93

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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.