Home / 1,643,522.98-2,465,408.40-490,678.27

Finding the Fourth Proportional to 1,643,522.98, 2,465,408.40 and 490,678.27

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Solution

The fourth proportional to 1,643,522.98, 2,465,408.40 and 490,678.27 is: 736,054.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,643,522.98 : 2,465,408.40 = 490,678.27 : x
  2. Step 2: Convert to fraction form
    1,643,522.98/2,465,408.40 = 490,678.27/x
  3. Step 3: Cross multiply
    1,643,522.98x = 2,465,408.40 × 490,678.27
  4. Step 4: Simplify right side
    1,643,522.98x = 1,209,722,328,555.47
  5. Step 5: Solve for x
    x = 1,209,722,328,555.47/1,643,522.98
  6. Step 6: Final answer
    x = 736,054.40

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Double scale
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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.