Home / 1,026,012.72-1,539,184.46-316,040.07

Finding the Fourth Proportional to 1,026,012.72, 1,539,184.46 and 316,040.07

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Solution

The fourth proportional to 1,026,012.72, 1,539,184.46 and 316,040.07 is: 474,111.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026,012.72 : 1,539,184.46 = 316,040.07 : x
  2. Step 2: Convert to fraction form
    1,026,012.72/1,539,184.46 = 316,040.07/x
  3. Step 3: Cross multiply
    1,026,012.72x = 1,539,184.46 × 316,040.07
  4. Step 4: Simplify right side
    1,026,012.72x = 486,443,962,901.11
  5. Step 5: Solve for x
    x = 486,443,962,901.11/1,026,012.72
  6. Step 6: Final answer
    x = 474,111.05

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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.