Home / 1,400,720.80-2,097,970.80-1,214,096.80

Finding the Fourth Proportional to 1,400,720.80, 2,097,970.80 and 1,214,096.80

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Solution

The fourth proportional to 1,400,720.80, 2,097,970.80 and 1,214,096.80 is: 1,818,449.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,400,720.80 : 2,097,970.80 = 1,214,096.80 : x
  2. Step 2: Convert to fraction form
    1,400,720.80/2,097,970.80 = 1,214,096.80/x
  3. Step 3: Cross multiply
    1,400,720.80x = 2,097,970.80 × 1,214,096.80
  4. Step 4: Simplify right side
    1,400,720.80x = 2,547,139,634,773.44
  5. Step 5: Solve for x
    x = 2,547,139,634,773.44/1,400,720.80
  6. Step 6: Final answer
    x = 1,818,449.21

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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.