Home / 1,070,751.30-1,603,985.53-644,051.50

Finding the Fourth Proportional to 1,070,751.30, 1,603,985.53 and 644,051.50

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Solution

The fourth proportional to 1,070,751.30, 1,603,985.53 and 644,051.50 is: 964,789.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,751.30 : 1,603,985.53 = 644,051.50 : x
  2. Step 2: Convert to fraction form
    1,070,751.30/1,603,985.53 = 644,051.50/x
  3. Step 3: Cross multiply
    1,070,751.30x = 1,603,985.53 × 644,051.50
  4. Step 4: Simplify right side
    1,070,751.30x = 1,033,049,286,574.80
  5. Step 5: Solve for x
    x = 1,033,049,286,574.80/1,070,751.30
  6. Step 6: Final answer
    x = 964,789.20

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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.