Home / 1,142,875.85-1,714,051.41-681,384.39

Finding the Fourth Proportional to 1,142,875.85, 1,714,051.41 and 681,384.39

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Solution

The fourth proportional to 1,142,875.85, 1,714,051.41 and 681,384.39 is: 1,021,920.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,875.85 : 1,714,051.41 = 681,384.39 : x
  2. Step 2: Convert to fraction form
    1,142,875.85/1,714,051.41 = 681,384.39/x
  3. Step 3: Cross multiply
    1,142,875.85x = 1,714,051.41 × 681,384.39
  4. Step 4: Simplify right side
    1,142,875.85x = 1,167,927,874,431.49
  5. Step 5: Solve for x
    x = 1,167,927,874,431.49/1,142,875.85
  6. Step 6: Final answer
    x = 1,021,920.17

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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.