Home / 1,643,004.02-2,267,264.58-917,707.34

Finding the Fourth Proportional to 1,643,004.02, 2,267,264.58 and 917,707.34

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Solution

The fourth proportional to 1,643,004.02, 2,267,264.58 and 917,707.34 is: 1,266,390.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,643,004.02 : 2,267,264.58 = 917,707.34 : x
  2. Step 2: Convert to fraction form
    1,643,004.02/2,267,264.58 = 917,707.34/x
  3. Step 3: Cross multiply
    1,643,004.02x = 2,267,264.58 × 917,707.34
  4. Step 4: Simplify right side
    1,643,004.02x = 2,080,685,346,788.02
  5. Step 5: Solve for x
    x = 2,080,685,346,788.02/1,643,004.02
  6. Step 6: Final answer
    x = 1,266,390.90

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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.