Home / 1,420,192.04-2,130,331.81-621,062.24

Finding the Fourth Proportional to 1,420,192.04, 2,130,331.81 and 621,062.24

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Solution

The fourth proportional to 1,420,192.04, 2,130,331.81 and 621,062.24 is: 931,612.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,192.04 : 2,130,331.81 = 621,062.24 : x
  2. Step 2: Convert to fraction form
    1,420,192.04/2,130,331.81 = 621,062.24/x
  3. Step 3: Cross multiply
    1,420,192.04x = 2,130,331.81 × 621,062.24
  4. Step 4: Simplify right side
    1,420,192.04x = 1,323,068,649,635.03
  5. Step 5: Solve for x
    x = 1,323,068,649,635.03/1,420,192.04
  6. Step 6: Final answer
    x = 931,612.49

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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.