Home / 1,190,237.94-1,643,030.96-803,576.90

Finding the Fourth Proportional to 1,190,237.94, 1,643,030.96 and 803,576.90

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Solution

The fourth proportional to 1,190,237.94, 1,643,030.96 and 803,576.90 is: 1,109,275.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,237.94 : 1,643,030.96 = 803,576.90 : x
  2. Step 2: Convert to fraction form
    1,190,237.94/1,643,030.96 = 803,576.90/x
  3. Step 3: Cross multiply
    1,190,237.94x = 1,643,030.96 × 803,576.90
  4. Step 4: Simplify right side
    1,190,237.94x = 1,320,301,725,530.52
  5. Step 5: Solve for x
    x = 1,320,301,725,530.52/1,190,237.94
  6. Step 6: Final answer
    x = 1,109,275.45

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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.