Home / 1,110,378.63-1,533,688.80-803,969.91

Finding the Fourth Proportional to 1,110,378.63, 1,533,688.80 and 803,969.91

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Solution

The fourth proportional to 1,110,378.63, 1,533,688.80 and 803,969.91 is: 1,110,467.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,378.63 : 1,533,688.80 = 803,969.91 : x
  2. Step 2: Convert to fraction form
    1,110,378.63/1,533,688.80 = 803,969.91/x
  3. Step 3: Cross multiply
    1,110,378.63x = 1,533,688.80 × 803,969.91
  4. Step 4: Simplify right side
    1,110,378.63x = 1,233,039,646,504.01
  5. Step 5: Solve for x
    x = 1,233,039,646,504.01/1,110,378.63
  6. Step 6: Final answer
    x = 1,110,467.74

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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.