Home / 1,288,058.69-1,932,228.16-478,348.13

Finding the Fourth Proportional to 1,288,058.69, 1,932,228.16 and 478,348.13

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Solution

The fourth proportional to 1,288,058.69, 1,932,228.16 and 478,348.13 is: 717,574.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,288,058.69 : 1,932,228.16 = 478,348.13 : x
  2. Step 2: Convert to fraction form
    1,288,058.69/1,932,228.16 = 478,348.13/x
  3. Step 3: Cross multiply
    1,288,058.69x = 1,932,228.16 × 478,348.13
  4. Step 4: Simplify right side
    1,288,058.69x = 924,277,716,212.33
  5. Step 5: Solve for x
    x = 924,277,716,212.33/1,288,058.69
  6. Step 6: Final answer
    x = 717,574.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.