Home / 1,643,409.94-2,465,379.77-506,171.76

Finding the Fourth Proportional to 1,643,409.94, 2,465,379.77 and 506,171.76

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Solution

The fourth proportional to 1,643,409.94, 2,465,379.77 and 506,171.76 is: 759,339.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,643,409.94 : 2,465,379.77 = 506,171.76 : x
  2. Step 2: Convert to fraction form
    1,643,409.94/2,465,379.77 = 506,171.76/x
  3. Step 3: Cross multiply
    1,643,409.94x = 2,465,379.77 × 506,171.76
  4. Step 4: Simplify right side
    1,643,409.94x = 1,247,905,617,389.80
  5. Step 5: Solve for x
    x = 1,247,905,617,389.80/1,643,409.94
  6. Step 6: Final answer
    x = 759,339.22

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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.