Home / 1,307,210.28-1,961,130.66-454,157.77

Finding the Fourth Proportional to 1,307,210.28, 1,961,130.66 and 454,157.77

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Solution

The fourth proportional to 1,307,210.28, 1,961,130.66 and 454,157.77 is: 681,346.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,307,210.28 : 1,961,130.66 = 454,157.77 : x
  2. Step 2: Convert to fraction form
    1,307,210.28/1,961,130.66 = 454,157.77/x
  3. Step 3: Cross multiply
    1,307,210.28x = 1,961,130.66 × 454,157.77
  4. Step 4: Simplify right side
    1,307,210.28x = 890,662,727,224.23
  5. Step 5: Solve for x
    x = 890,662,727,224.23/1,307,210.28
  6. Step 6: Final answer
    x = 681,346.18

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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.