Home / 1,077,881.40-1,615,785.30-837,862.20

Finding the Fourth Proportional to 1,077,881.40, 1,615,785.30 and 837,862.20

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Solution

The fourth proportional to 1,077,881.40, 1,615,785.30 and 837,862.20 is: 1,255,987.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,881.40 : 1,615,785.30 = 837,862.20 : x
  2. Step 2: Convert to fraction form
    1,077,881.40/1,615,785.30 = 837,862.20/x
  3. Step 3: Cross multiply
    1,077,881.40x = 1,615,785.30 × 837,862.20
  4. Step 4: Simplify right side
    1,077,881.40x = 1,353,805,426,185.66
  5. Step 5: Solve for x
    x = 1,353,805,426,185.66/1,077,881.40
  6. Step 6: Final answer
    x = 1,255,987.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.