Home / 1,282,064.60-1,769,264.70-709,090.04

Finding the Fourth Proportional to 1,282,064.60, 1,769,264.70 and 709,090.04

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Solution

The fourth proportional to 1,282,064.60, 1,769,264.70 and 709,090.04 is: 978,552.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282,064.60 : 1,769,264.70 = 709,090.04 : x
  2. Step 2: Convert to fraction form
    1,282,064.60/1,769,264.70 = 709,090.04/x
  3. Step 3: Cross multiply
    1,282,064.60x = 1,769,264.70 × 709,090.04
  4. Step 4: Simplify right side
    1,282,064.60x = 1,254,567,976,893.59
  5. Step 5: Solve for x
    x = 1,254,567,976,893.59/1,282,064.60
  6. Step 6: Final answer
    x = 978,552.86

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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.