Home / 1,458,487.32-2,187,730.98-393,529.36

Finding the Fourth Proportional to 1,458,487.32, 2,187,730.98 and 393,529.36

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Solution

The fourth proportional to 1,458,487.32, 2,187,730.98 and 393,529.36 is: 590,294.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458,487.32 : 2,187,730.98 = 393,529.36 : x
  2. Step 2: Convert to fraction form
    1,458,487.32/2,187,730.98 = 393,529.36/x
  3. Step 3: Cross multiply
    1,458,487.32x = 2,187,730.98 × 393,529.36
  4. Step 4: Simplify right side
    1,458,487.32x = 860,936,372,411.57
  5. Step 5: Solve for x
    x = 860,936,372,411.57/1,458,487.32
  6. Step 6: Final answer
    x = 590,294.04

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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.