Home / 1,097,400.12-1,643,969.64-808,687.32

Finding the Fourth Proportional to 1,097,400.12, 1,643,969.64 and 808,687.32

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Solution

The fourth proportional to 1,097,400.12, 1,643,969.64 and 808,687.32 is: 1,211,460.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,097,400.12 : 1,643,969.64 = 808,687.32 : x
  2. Step 2: Convert to fraction form
    1,097,400.12/1,643,969.64 = 808,687.32/x
  3. Step 3: Cross multiply
    1,097,400.12x = 1,643,969.64 × 808,687.32
  4. Step 4: Simplify right side
    1,097,400.12x = 1,329,457,402,332.96
  5. Step 5: Solve for x
    x = 1,329,457,402,332.96/1,097,400.12
  6. Step 6: Final answer
    x = 1,211,460.96

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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.