Home / 1,564,622.15-2,158,808.40-885,558.65

Finding the Fourth Proportional to 1,564,622.15, 2,158,808.40 and 885,558.65

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Solution

The fourth proportional to 1,564,622.15, 2,158,808.40 and 885,558.65 is: 1,221,861.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,564,622.15 : 2,158,808.40 = 885,558.65 : x
  2. Step 2: Convert to fraction form
    1,564,622.15/2,158,808.40 = 885,558.65/x
  3. Step 3: Cross multiply
    1,564,622.15x = 2,158,808.40 × 885,558.65
  4. Step 4: Simplify right side
    1,564,622.15x = 1,911,751,441,518.62
  5. Step 5: Solve for x
    x = 1,911,751,441,518.62/1,564,622.15
  6. Step 6: Final answer
    x = 1,221,861.42

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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.