Home / 1,724,434.91-2,379,720.84-999,702.80

Finding the Fourth Proportional to 1,724,434.91, 2,379,720.84 and 999,702.80

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Solution

The fourth proportional to 1,724,434.91, 2,379,720.84 and 999,702.80 is: 1,379,590.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,724,434.91 : 2,379,720.84 = 999,702.80 : x
  2. Step 2: Convert to fraction form
    1,724,434.91/2,379,720.84 = 999,702.80/x
  3. Step 3: Cross multiply
    1,724,434.91x = 2,379,720.84 × 999,702.80
  4. Step 4: Simplify right side
    1,724,434.91x = 2,379,013,586,966.35
  5. Step 5: Solve for x
    x = 2,379,013,586,966.35/1,724,434.91
  6. Step 6: Final answer
    x = 1,379,590.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.