Home / 1,780,595.96-2,671,017.06-715,638.92

Finding the Fourth Proportional to 1,780,595.96, 2,671,017.06 and 715,638.92

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Solution

The fourth proportional to 1,780,595.96, 2,671,017.06 and 715,638.92 is: 1,073,507.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,780,595.96 : 2,671,017.06 = 715,638.92 : x
  2. Step 2: Convert to fraction form
    1,780,595.96/2,671,017.06 = 715,638.92/x
  3. Step 3: Cross multiply
    1,780,595.96x = 2,671,017.06 × 715,638.92
  4. Step 4: Simplify right side
    1,780,595.96x = 1,911,483,764,119.98
  5. Step 5: Solve for x
    x = 1,911,483,764,119.98/1,780,595.96
  6. Step 6: Final answer
    x = 1,073,507.86

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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.