Home / 1,555,261-2,332,891.53-373,309

Finding the Fourth Proportional to 1,555,261, 2,332,891.53 and 373,309

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Solution

The fourth proportional to 1,555,261, 2,332,891.53 and 373,309 is: 559,963.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555,261 : 2,332,891.53 = 373,309 : x
  2. Step 2: Convert to fraction form
    1,555,261/2,332,891.53 = 373,309/x
  3. Step 3: Cross multiply
    1,555,261x = 2,332,891.53 × 373,309
  4. Step 4: Simplify right side
    1,555,261x = 870,889,404,172.77
  5. Step 5: Solve for x
    x = 870,889,404,172.77/1,555,261
  6. Step 6: Final answer
    x = 559,963.51

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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.