Home / 1,022,814-1,534,282.51-312,848.19

Finding the Fourth Proportional to 1,022,814, 1,534,282.51 and 312,848.19

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Solution

The fourth proportional to 1,022,814, 1,534,282.51 and 312,848.19 is: 469,291.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,814 : 1,534,282.51 = 312,848.19 : x
  2. Step 2: Convert to fraction form
    1,022,814/1,534,282.51 = 312,848.19/x
  3. Step 3: Cross multiply
    1,022,814x = 1,534,282.51 × 312,848.19
  4. Step 4: Simplify right side
    1,022,814x = 479,997,506,006.63
  5. Step 5: Solve for x
    x = 479,997,506,006.63/1,022,814
  6. Step 6: Final answer
    x = 469,291.10

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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.