Home / 1,671,002.87-2,506,101.07-771,579.98

Finding the Fourth Proportional to 1,671,002.87, 2,506,101.07 and 771,579.98

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Solution

The fourth proportional to 1,671,002.87, 2,506,101.07 and 771,579.98 is: 1,157,183.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,671,002.87 : 2,506,101.07 = 771,579.98 : x
  2. Step 2: Convert to fraction form
    1,671,002.87/2,506,101.07 = 771,579.98/x
  3. Step 3: Cross multiply
    1,671,002.87x = 2,506,101.07 × 771,579.98
  4. Step 4: Simplify right side
    1,671,002.87x = 1,933,657,409,853.72
  5. Step 5: Solve for x
    x = 1,933,657,409,853.72/1,671,002.87
  6. Step 6: Final answer
    x = 1,157,183.78

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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.