Home / 1,658,587.34-2,289,556.75-1,115,038.38

Finding the Fourth Proportional to 1,658,587.34, 2,289,556.75 and 1,115,038.38

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Solution

The fourth proportional to 1,658,587.34, 2,289,556.75 and 1,115,038.38 is: 1,539,227.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,658,587.34 : 2,289,556.75 = 1,115,038.38 : x
  2. Step 2: Convert to fraction form
    1,658,587.34/2,289,556.75 = 1,115,038.38/x
  3. Step 3: Cross multiply
    1,658,587.34x = 2,289,556.75 × 1,115,038.38
  4. Step 4: Simplify right side
    1,658,587.34x = 2,552,943,649,438.07
  5. Step 5: Solve for x
    x = 2,552,943,649,438.07/1,658,587.34
  6. Step 6: Final answer
    x = 1,539,227.74

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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.