Home / 1,052,966.28-1,579,646.27-421,929.30

Finding the Fourth Proportional to 1,052,966.28, 1,579,646.27 and 421,929.30

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Solution

The fourth proportional to 1,052,966.28, 1,579,646.27 and 421,929.30 is: 632,972.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,052,966.28 : 1,579,646.27 = 421,929.30 : x
  2. Step 2: Convert to fraction form
    1,052,966.28/1,579,646.27 = 421,929.30/x
  3. Step 3: Cross multiply
    1,052,966.28x = 1,579,646.27 × 421,929.30
  4. Step 4: Simplify right side
    1,052,966.28x = 666,499,051,927.21
  5. Step 5: Solve for x
    x = 666,499,051,927.21/1,052,966.28
  6. Step 6: Final answer
    x = 632,972.83

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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.