Home / 1,413,206.34-2,119,490.78-402,305.82

Finding the Fourth Proportional to 1,413,206.34, 2,119,490.78 and 402,305.82

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Solution

The fourth proportional to 1,413,206.34, 2,119,490.78 and 402,305.82 is: 603,367.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,413,206.34 : 2,119,490.78 = 402,305.82 : x
  2. Step 2: Convert to fraction form
    1,413,206.34/2,119,490.78 = 402,305.82/x
  3. Step 3: Cross multiply
    1,413,206.34x = 2,119,490.78 × 402,305.82
  4. Step 4: Simplify right side
    1,413,206.34x = 852,683,474,218.81
  5. Step 5: Solve for x
    x = 852,683,474,218.81/1,413,206.34
  6. Step 6: Final answer
    x = 603,367.99

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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.