Home / 1,158,384.96-1,737,344.16-317,021.76

Finding the Fourth Proportional to 1,158,384.96, 1,737,344.16 and 317,021.76

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Solution

The fourth proportional to 1,158,384.96, 1,737,344.16 and 317,021.76 is: 475,468.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,384.96 : 1,737,344.16 = 317,021.76 : x
  2. Step 2: Convert to fraction form
    1,158,384.96/1,737,344.16 = 317,021.76/x
  3. Step 3: Cross multiply
    1,158,384.96x = 1,737,344.16 × 317,021.76
  4. Step 4: Simplify right side
    1,158,384.96x = 550,775,903,328.92
  5. Step 5: Solve for x
    x = 550,775,903,328.92/1,158,384.96
  6. Step 6: Final answer
    x = 475,468.80

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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.