Home / 1,590,276.48-2,194,558.56-865,130.48

Finding the Fourth Proportional to 1,590,276.48, 2,194,558.56 and 865,130.48

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Solution

The fourth proportional to 1,590,276.48, 2,194,558.56 and 865,130.48 is: 1,193,867.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,590,276.48 : 2,194,558.56 = 865,130.48 : x
  2. Step 2: Convert to fraction form
    1,590,276.48/2,194,558.56 = 865,130.48/x
  3. Step 3: Cross multiply
    1,590,276.48x = 2,194,558.56 × 865,130.48
  4. Step 4: Simplify right side
    1,590,276.48x = 1,898,579,500,400.91
  5. Step 5: Solve for x
    x = 1,898,579,500,400.91/1,590,276.48
  6. Step 6: Final answer
    x = 1,193,867.56

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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.