Home / 1,565,995.52-2,161,224.60-877,664

Finding the Fourth Proportional to 1,565,995.52, 2,161,224.60 and 877,664

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Solution

The fourth proportional to 1,565,995.52, 2,161,224.60 and 877,664 is: 1,211,260.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,565,995.52 : 2,161,224.60 = 877,664 : x
  2. Step 2: Convert to fraction form
    1,565,995.52/2,161,224.60 = 877,664/x
  3. Step 3: Cross multiply
    1,565,995.52x = 2,161,224.60 × 877,664
  4. Step 4: Simplify right side
    1,565,995.52x = 1,896,829,027,334.40
  5. Step 5: Solve for x
    x = 1,896,829,027,334.40/1,565,995.52
  6. Step 6: Final answer
    x = 1,211,260.83

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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.