Home / 1,556,264-2,147,809.44-912,225.32

Finding the Fourth Proportional to 1,556,264, 2,147,809.44 and 912,225.32

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Solution

The fourth proportional to 1,556,264, 2,147,809.44 and 912,225.32 is: 1,258,967.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556,264 : 2,147,809.44 = 912,225.32 : x
  2. Step 2: Convert to fraction form
    1,556,264/2,147,809.44 = 912,225.32/x
  3. Step 3: Cross multiply
    1,556,264x = 2,147,809.44 × 912,225.32
  4. Step 4: Simplify right side
    1,556,264x = 1,959,286,153,703.02
  5. Step 5: Solve for x
    x = 1,959,286,153,703.02/1,556,264
  6. Step 6: Final answer
    x = 1,258,967.73

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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.