Home / 1,026,430.39-1,415,806.59-658,324.45

Finding the Fourth Proportional to 1,026,430.39, 1,415,806.59 and 658,324.45

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Solution

The fourth proportional to 1,026,430.39, 1,415,806.59 and 658,324.45 is: 908,059.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026,430.39 : 1,415,806.59 = 658,324.45 : x
  2. Step 2: Convert to fraction form
    1,026,430.39/1,415,806.59 = 658,324.45/x
  3. Step 3: Cross multiply
    1,026,430.39x = 1,415,806.59 × 658,324.45
  4. Step 4: Simplify right side
    1,026,430.39x = 932,060,094,668.13
  5. Step 5: Solve for x
    x = 932,060,094,668.13/1,026,430.39
  6. Step 6: Final answer
    x = 908,059.72

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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.