Home / 1,564,625.15-2,158,812.54-885,561.65

Finding the Fourth Proportional to 1,564,625.15, 2,158,812.54 and 885,561.65

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Solution

The fourth proportional to 1,564,625.15, 2,158,812.54 and 885,561.65 is: 1,221,865.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,564,625.15 : 2,158,812.54 = 885,561.65 : x
  2. Step 2: Convert to fraction form
    1,564,625.15/2,158,812.54 = 885,561.65/x
  3. Step 3: Cross multiply
    1,564,625.15x = 2,158,812.54 × 885,561.65
  4. Step 4: Simplify right side
    1,564,625.15x = 1,911,761,584,169.03
  5. Step 5: Solve for x
    x = 1,911,761,584,169.03/1,564,625.15
  6. Step 6: Final answer
    x = 1,221,865.56

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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.