Home / 1,407,673.40-2,111,490.30-342,717.80

Finding the Fourth Proportional to 1,407,673.40, 2,111,490.30 and 342,717.80

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Solution

The fourth proportional to 1,407,673.40, 2,111,490.30 and 342,717.80 is: 514,071.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,407,673.40 : 2,111,490.30 = 342,717.80 : x
  2. Step 2: Convert to fraction form
    1,407,673.40/2,111,490.30 = 342,717.80/x
  3. Step 3: Cross multiply
    1,407,673.40x = 2,111,490.30 × 342,717.80
  4. Step 4: Simplify right side
    1,407,673.40x = 723,645,310,337.34
  5. Step 5: Solve for x
    x = 723,645,310,337.34/1,407,673.40
  6. Step 6: Final answer
    x = 514,071.88

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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.