Home / 1,016,038.77-1,521,068.48-678,241.59

Finding the Fourth Proportional to 1,016,038.77, 1,521,068.48 and 678,241.59

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Solution

The fourth proportional to 1,016,038.77, 1,521,068.48 and 678,241.59 is: 1,015,366.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,016,038.77 : 1,521,068.48 = 678,241.59 : x
  2. Step 2: Convert to fraction form
    1,016,038.77/1,521,068.48 = 678,241.59/x
  3. Step 3: Cross multiply
    1,016,038.77x = 1,521,068.48 × 678,241.59
  4. Step 4: Simplify right side
    1,016,038.77x = 1,031,651,904,374.08
  5. Step 5: Solve for x
    x = 1,031,651,904,374.08/1,016,038.77
  6. Step 6: Final answer
    x = 1,015,366.67

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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.