Home / 1,508,621.36-2,081,897.49-829,557.86

Finding the Fourth Proportional to 1,508,621.36, 2,081,897.49 and 829,557.86

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Solution

The fourth proportional to 1,508,621.36, 2,081,897.49 and 829,557.86 is: 1,144,789.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,508,621.36 : 2,081,897.49 = 829,557.86 : x
  2. Step 2: Convert to fraction form
    1,508,621.36/2,081,897.49 = 829,557.86/x
  3. Step 3: Cross multiply
    1,508,621.36x = 2,081,897.49 × 829,557.86
  4. Step 4: Simplify right side
    1,508,621.36x = 1,727,054,426,543.77
  5. Step 5: Solve for x
    x = 1,727,054,426,543.77/1,508,621.36
  6. Step 6: Final answer
    x = 1,144,789.85

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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.