Home / 1,887,026.79-2,604,071.05-1,071,223.35

Finding the Fourth Proportional to 1,887,026.79, 2,604,071.05 and 1,071,223.35

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Solution

The fourth proportional to 1,887,026.79, 2,604,071.05 and 1,071,223.35 is: 1,478,273.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,887,026.79 : 2,604,071.05 = 1,071,223.35 : x
  2. Step 2: Convert to fraction form
    1,887,026.79/2,604,071.05 = 1,071,223.35/x
  3. Step 3: Cross multiply
    1,887,026.79x = 2,604,071.05 × 1,071,223.35
  4. Step 4: Simplify right side
    1,887,026.79x = 2,789,541,713,819.02
  5. Step 5: Solve for x
    x = 2,789,541,713,819.02/1,887,026.79
  6. Step 6: Final answer
    x = 1,478,273.51

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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.