Home / 1,025,667.60-1,536,427.80-689,744.40

Finding the Fourth Proportional to 1,025,667.60, 1,536,427.80 and 689,744.40

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Solution

The fourth proportional to 1,025,667.60, 1,536,427.80 and 689,744.40 is: 1,033,222.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025,667.60 : 1,536,427.80 = 689,744.40 : x
  2. Step 2: Convert to fraction form
    1,025,667.60/1,536,427.80 = 689,744.40/x
  3. Step 3: Cross multiply
    1,025,667.60x = 1,536,427.80 × 689,744.40
  4. Step 4: Simplify right side
    1,025,667.60x = 1,059,742,471,054.32
  5. Step 5: Solve for x
    x = 1,059,742,471,054.32/1,025,667.60
  6. Step 6: Final answer
    x = 1,033,222.14

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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.