Home / 1,077,804.40-1,615,669.80-837,785.20

Finding the Fourth Proportional to 1,077,804.40, 1,615,669.80 and 837,785.20

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Solution

The fourth proportional to 1,077,804.40, 1,615,669.80 and 837,785.20 is: 1,255,871.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,804.40 : 1,615,669.80 = 837,785.20 : x
  2. Step 2: Convert to fraction form
    1,077,804.40/1,615,669.80 = 837,785.20/x
  3. Step 3: Cross multiply
    1,077,804.40x = 1,615,669.80 × 837,785.20
  4. Step 4: Simplify right side
    1,077,804.40x = 1,353,584,246,526.96
  5. Step 5: Solve for x
    x = 1,353,584,246,526.96/1,077,804.40
  6. Step 6: Final answer
    x = 1,255,871.89

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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.