Home / 1,069,379.24-1,604,271.15-429,732.77

Finding the Fourth Proportional to 1,069,379.24, 1,604,271.15 and 429,732.77

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Solution

The fourth proportional to 1,069,379.24, 1,604,271.15 and 429,732.77 is: 644,680.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,379.24 : 1,604,271.15 = 429,732.77 : x
  2. Step 2: Convert to fraction form
    1,069,379.24/1,604,271.15 = 429,732.77/x
  3. Step 3: Cross multiply
    1,069,379.24x = 1,604,271.15 × 429,732.77
  4. Step 4: Simplify right side
    1,069,379.24x = 689,407,877,099.23
  5. Step 5: Solve for x
    x = 689,407,877,099.23/1,069,379.24
  6. Step 6: Final answer
    x = 644,680.44

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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.