Home / 1,372,330.60-2,058,500.86-971,759.72

Finding the Fourth Proportional to 1,372,330.60, 2,058,500.86 and 971,759.72

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Solution

The fourth proportional to 1,372,330.60, 2,058,500.86 and 971,759.72 is: 1,457,643.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,372,330.60 : 2,058,500.86 = 971,759.72 : x
  2. Step 2: Convert to fraction form
    1,372,330.60/2,058,500.86 = 971,759.72/x
  3. Step 3: Cross multiply
    1,372,330.60x = 2,058,500.86 × 971,759.72
  4. Step 4: Simplify right side
    1,372,330.60x = 2,000,368,219,333.36
  5. Step 5: Solve for x
    x = 2,000,368,219,333.36/1,372,330.60
  6. Step 6: Final answer
    x = 1,457,643.09

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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.