Home / 1,159,133.76-1,738,681.20-317,685.51

Finding the Fourth Proportional to 1,159,133.76, 1,738,681.20 and 317,685.51

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Solution

The fourth proportional to 1,159,133.76, 1,738,681.20 and 317,685.51 is: 476,522.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159,133.76 : 1,738,681.20 = 317,685.51 : x
  2. Step 2: Convert to fraction form
    1,159,133.76/1,738,681.20 = 317,685.51/x
  3. Step 3: Cross multiply
    1,159,133.76x = 1,738,681.20 × 317,685.51
  4. Step 4: Simplify right side
    1,159,133.76x = 552,353,823,749.41
  5. Step 5: Solve for x
    x = 552,353,823,749.41/1,159,133.76
  6. Step 6: Final answer
    x = 476,522.94

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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.