Home / 1,164,380.40-1,746,570.60-978,376.05

Finding the Fourth Proportional to 1,164,380.40, 1,746,570.60 and 978,376.05

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Solution

The fourth proportional to 1,164,380.40, 1,746,570.60 and 978,376.05 is: 1,467,564.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,164,380.40 : 1,746,570.60 = 978,376.05 : x
  2. Step 2: Convert to fraction form
    1,164,380.40/1,746,570.60 = 978,376.05/x
  3. Step 3: Cross multiply
    1,164,380.40x = 1,746,570.60 × 978,376.05
  4. Step 4: Simplify right side
    1,164,380.40x = 1,708,802,844,674.13
  5. Step 5: Solve for x
    x = 1,708,802,844,674.13/1,164,380.40
  6. Step 6: Final answer
    x = 1,467,564.08

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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.