Home / 1,370,647.62-1,891,718.37-940,574.34

Finding the Fourth Proportional to 1,370,647.62, 1,891,718.37 and 940,574.34

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Solution

The fourth proportional to 1,370,647.62, 1,891,718.37 and 940,574.34 is: 1,298,146.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,647.62 : 1,891,718.37 = 940,574.34 : x
  2. Step 2: Convert to fraction form
    1,370,647.62/1,891,718.37 = 940,574.34/x
  3. Step 3: Cross multiply
    1,370,647.62x = 1,891,718.37 × 940,574.34
  4. Step 4: Simplify right side
    1,370,647.62x = 1,779,301,757,328.63
  5. Step 5: Solve for x
    x = 1,779,301,757,328.63/1,370,647.62
  6. Step 6: Final answer
    x = 1,298,146.75

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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.