Home / 1,289,343.51-1,934,013.15-342,714.24

Finding the Fourth Proportional to 1,289,343.51, 1,934,013.15 and 342,714.24

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Solution

The fourth proportional to 1,289,343.51, 1,934,013.15 and 342,714.24 is: 514,070.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,343.51 : 1,934,013.15 = 342,714.24 : x
  2. Step 2: Convert to fraction form
    1,289,343.51/1,934,013.15 = 342,714.24/x
  3. Step 3: Cross multiply
    1,289,343.51x = 1,934,013.15 × 342,714.24
  4. Step 4: Simplify right side
    1,289,343.51x = 662,813,846,852.26
  5. Step 5: Solve for x
    x = 662,813,846,852.26/1,289,343.51
  6. Step 6: Final answer
    x = 514,070.80

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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.