Home / 1,282,065.60-1,769,266.08-709,091.04

Finding the Fourth Proportional to 1,282,065.60, 1,769,266.08 and 709,091.04

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Solution

The fourth proportional to 1,282,065.60, 1,769,266.08 and 709,091.04 is: 978,554.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282,065.60 : 1,769,266.08 = 709,091.04 : x
  2. Step 2: Convert to fraction form
    1,282,065.60/1,769,266.08 = 709,091.04/x
  3. Step 3: Cross multiply
    1,282,065.60x = 1,769,266.08 × 709,091.04
  4. Step 4: Simplify right side
    1,282,065.60x = 1,254,570,724,703.92
  5. Step 5: Solve for x
    x = 1,254,570,724,703.92/1,282,065.60
  6. Step 6: Final answer
    x = 978,554.24

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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.