Home / 1,787,880-2,683,505.40-651,740.28

Finding the Fourth Proportional to 1,787,880, 2,683,505.40 and 651,740.28

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Solution

The fourth proportional to 1,787,880, 2,683,505.40 and 651,740.28 is: 978,224.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787,880 : 2,683,505.40 = 651,740.28 : x
  2. Step 2: Convert to fraction form
    1,787,880/2,683,505.40 = 651,740.28/x
  3. Step 3: Cross multiply
    1,787,880x = 2,683,505.40 × 651,740.28
  4. Step 4: Simplify right side
    1,787,880x = 1,748,948,560,777.51
  5. Step 5: Solve for x
    x = 1,748,948,560,777.51/1,787,880
  6. Step 6: Final answer
    x = 978,224.80

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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.