Home / 1,588,643.85-2,381,626.41-689,408.16

Finding the Fourth Proportional to 1,588,643.85, 2,381,626.41 and 689,408.16

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Solution

The fourth proportional to 1,588,643.85, 2,381,626.41 and 689,408.16 is: 1,033,531.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,588,643.85 : 2,381,626.41 = 689,408.16 : x
  2. Step 2: Convert to fraction form
    1,588,643.85/2,381,626.41 = 689,408.16/x
  3. Step 3: Cross multiply
    1,588,643.85x = 2,381,626.41 × 689,408.16
  4. Step 4: Simplify right side
    1,588,643.85x = 1,641,912,681,125.51
  5. Step 5: Solve for x
    x = 1,641,912,681,125.51/1,588,643.85
  6. Step 6: Final answer
    x = 1,033,531.01

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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.