Home / 1,097,664.80-1,643,386.80-985,690.40

Finding the Fourth Proportional to 1,097,664.80, 1,643,386.80 and 985,690.40

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Solution

The fourth proportional to 1,097,664.80, 1,643,386.80 and 985,690.40 is: 1,475,742.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,097,664.80 : 1,643,386.80 = 985,690.40 : x
  2. Step 2: Convert to fraction form
    1,097,664.80/1,643,386.80 = 985,690.40/x
  3. Step 3: Cross multiply
    1,097,664.80x = 1,643,386.80 × 985,690.40
  4. Step 4: Simplify right side
    1,097,664.80x = 1,619,870,592,246.72
  5. Step 5: Solve for x
    x = 1,619,870,592,246.72/1,097,664.80
  6. Step 6: Final answer
    x = 1,475,742.50

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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.