Home / 1,052,966.88-1,579,647.15-421,929.90

Finding the Fourth Proportional to 1,052,966.88, 1,579,647.15 and 421,929.90

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Solution

The fourth proportional to 1,052,966.88, 1,579,647.15 and 421,929.90 is: 632,973.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,052,966.88 : 1,579,647.15 = 421,929.90 : x
  2. Step 2: Convert to fraction form
    1,052,966.88/1,579,647.15 = 421,929.90/x
  3. Step 3: Cross multiply
    1,052,966.88x = 1,579,647.15 × 421,929.90
  4. Step 4: Simplify right side
    1,052,966.88x = 666,500,364,034.79
  5. Step 5: Solve for x
    x = 666,500,364,034.79/1,052,966.88
  6. Step 6: Final answer
    x = 632,973.72

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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.