Home / 1,400,726.30-2,097,979.05-1,214,102.30

Finding the Fourth Proportional to 1,400,726.30, 2,097,979.05 and 1,214,102.30

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Solution

The fourth proportional to 1,400,726.30, 2,097,979.05 and 1,214,102.30 is: 1,818,457.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,400,726.30 : 2,097,979.05 = 1,214,102.30 : x
  2. Step 2: Convert to fraction form
    1,400,726.30/2,097,979.05 = 1,214,102.30/x
  3. Step 3: Cross multiply
    1,400,726.30x = 2,097,979.05 × 1,214,102.30
  4. Step 4: Simplify right side
    1,400,726.30x = 2,547,161,189,956.82
  5. Step 5: Solve for x
    x = 2,547,161,189,956.82/1,400,726.30
  6. Step 6: Final answer
    x = 1,818,457.46

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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.