Home / 1,556,338.35-2,148,746.48-976,356.64

Finding the Fourth Proportional to 1,556,338.35, 2,148,746.48 and 976,356.64

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Solution

The fourth proportional to 1,556,338.35, 2,148,746.48 and 976,356.64 is: 1,347,999.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556,338.35 : 2,148,746.48 = 976,356.64 : x
  2. Step 2: Convert to fraction form
    1,556,338.35/2,148,746.48 = 976,356.64/x
  3. Step 3: Cross multiply
    1,556,338.35x = 2,148,746.48 × 976,356.64
  4. Step 4: Simplify right side
    1,556,338.35x = 2,097,942,888,295.42
  5. Step 5: Solve for x
    x = 2,097,942,888,295.42/1,556,338.35
  6. Step 6: Final answer
    x = 1,347,999.22

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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.