Home / 1,425,710.50-2,138,547.30-346,231.90

Finding the Fourth Proportional to 1,425,710.50, 2,138,547.30 and 346,231.90

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Solution

The fourth proportional to 1,425,710.50, 2,138,547.30 and 346,231.90 is: 519,343.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,710.50 : 2,138,547.30 = 346,231.90 : x
  2. Step 2: Convert to fraction form
    1,425,710.50/2,138,547.30 = 346,231.90/x
  3. Step 3: Cross multiply
    1,425,710.50x = 2,138,547.30 × 346,231.90
  4. Step 4: Simplify right side
    1,425,710.50x = 740,433,294,918.87
  5. Step 5: Solve for x
    x = 740,433,294,918.87/1,425,710.50
  6. Step 6: Final answer
    x = 519,343.37

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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.