Home / 1,407,505.11-2,111,257.86-342,547.17

Finding the Fourth Proportional to 1,407,505.11, 2,111,257.86 and 342,547.17

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Solution

The fourth proportional to 1,407,505.11, 2,111,257.86 and 342,547.17 is: 513,820.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,407,505.11 : 2,111,257.86 = 342,547.17 : x
  2. Step 2: Convert to fraction form
    1,407,505.11/2,111,257.86 = 342,547.17/x
  3. Step 3: Cross multiply
    1,407,505.11x = 2,111,257.86 × 342,547.17
  4. Step 4: Simplify right side
    1,407,505.11x = 723,205,405,083.26
  5. Step 5: Solve for x
    x = 723,205,405,083.26/1,407,505.11
  6. Step 6: Final answer
    x = 513,820.80

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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.