Home / 977,429.62-1,465,242.36-678,051.46

Finding the Fourth Proportional to 977,429.62, 1,465,242.36 and 678,051.46

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Solution

The fourth proportional to 977,429.62, 1,465,242.36 and 678,051.46 is: 1,016,451.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,429.62 : 1,465,242.36 = 678,051.46 : x
  2. Step 2: Convert to fraction form
    977,429.62/1,465,242.36 = 678,051.46/x
  3. Step 3: Cross multiply
    977,429.62x = 1,465,242.36 × 678,051.46
  4. Step 4: Simplify right side
    977,429.62x = 993,509,721,451.85
  5. Step 5: Solve for x
    x = 993,509,721,451.85/977,429.62
  6. Step 6: Final answer
    x = 1,016,451.42

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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.