Home / 1,420,182.48-2,130,317.46-621,052.68

Finding the Fourth Proportional to 1,420,182.48, 2,130,317.46 and 621,052.68

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Solution

The fourth proportional to 1,420,182.48, 2,130,317.46 and 621,052.68 is: 931,598.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,182.48 : 2,130,317.46 = 621,052.68 : x
  2. Step 2: Convert to fraction form
    1,420,182.48/2,130,317.46 = 621,052.68/x
  3. Step 3: Cross multiply
    1,420,182.48x = 2,130,317.46 × 621,052.68
  4. Step 4: Simplify right side
    1,420,182.48x = 1,323,039,367,783.79
  5. Step 5: Solve for x
    x = 1,323,039,367,783.79/1,420,182.48
  6. Step 6: Final answer
    x = 931,598.15

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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.