Home / 1,564,624.35-2,158,811.55-885,560.85

Finding the Fourth Proportional to 1,564,624.35, 2,158,811.55 and 885,560.85

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Solution

The fourth proportional to 1,564,624.35, 2,158,811.55 and 885,560.85 is: 1,221,864.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,564,624.35 : 2,158,811.55 = 885,560.85 : x
  2. Step 2: Convert to fraction form
    1,564,624.35/2,158,811.55 = 885,560.85/x
  3. Step 3: Cross multiply
    1,564,624.35x = 2,158,811.55 × 885,560.85
  4. Step 4: Simplify right side
    1,564,624.35x = 1,911,758,991,207.82
  5. Step 5: Solve for x
    x = 1,911,758,991,207.82/1,564,624.35
  6. Step 6: Final answer
    x = 1,221,864.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.