Home / 1,370,556.95-1,891,383.55-758,719.93

Finding the Fourth Proportional to 1,370,556.95, 1,891,383.55 and 758,719.93

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Solution

The fourth proportional to 1,370,556.95, 1,891,383.55 and 758,719.93 is: 1,047,041.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,556.95 : 1,891,383.55 = 758,719.93 : x
  2. Step 2: Convert to fraction form
    1,370,556.95/1,891,383.55 = 758,719.93/x
  3. Step 3: Cross multiply
    1,370,556.95x = 1,891,383.55 × 758,719.93
  4. Step 4: Simplify right side
    1,370,556.95x = 1,435,030,386,150.63
  5. Step 5: Solve for x
    x = 1,435,030,386,150.63/1,370,556.95
  6. Step 6: Final answer
    x = 1,047,041.78

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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.