Home / 1,214,985.70-1,821,312.15-944,964.10

Finding the Fourth Proportional to 1,214,985.70, 1,821,312.15 and 944,964.10

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Solution

The fourth proportional to 1,214,985.70, 1,821,312.15 and 944,964.10 is: 1,416,538.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,985.70 : 1,821,312.15 = 944,964.10 : x
  2. Step 2: Convert to fraction form
    1,214,985.70/1,821,312.15 = 944,964.10/x
  3. Step 3: Cross multiply
    1,214,985.70x = 1,821,312.15 × 944,964.10
  4. Step 4: Simplify right side
    1,214,985.70x = 1,721,074,596,643.82
  5. Step 5: Solve for x
    x = 1,721,074,596,643.82/1,214,985.70
  6. Step 6: Final answer
    x = 1,416,538.97

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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.