Home / 1,990,237.40-2,984,772.90-710,696.60

Finding the Fourth Proportional to 1,990,237.40, 2,984,772.90 and 710,696.60

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Solution

The fourth proportional to 1,990,237.40, 2,984,772.90 and 710,696.60 is: 1,065,836.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,990,237.40 : 2,984,772.90 = 710,696.60 : x
  2. Step 2: Convert to fraction form
    1,990,237.40/2,984,772.90 = 710,696.60/x
  3. Step 3: Cross multiply
    1,990,237.40x = 2,984,772.90 × 710,696.60
  4. Step 4: Simplify right side
    1,990,237.40x = 2,121,267,951,802.14
  5. Step 5: Solve for x
    x = 2,121,267,951,802.14/1,990,237.40
  6. Step 6: Final answer
    x = 1,065,836.64

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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.