Home / 1,038,557.69-1,558,000.55-439,521.98

Finding the Fourth Proportional to 1,038,557.69, 1,558,000.55 and 439,521.98

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Solution

The fourth proportional to 1,038,557.69, 1,558,000.55 and 439,521.98 is: 659,352.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,557.69 : 1,558,000.55 = 439,521.98 : x
  2. Step 2: Convert to fraction form
    1,038,557.69/1,558,000.55 = 439,521.98/x
  3. Step 3: Cross multiply
    1,038,557.69x = 1,558,000.55 × 439,521.98
  4. Step 4: Simplify right side
    1,038,557.69x = 684,775,476,589.48
  5. Step 5: Solve for x
    x = 684,775,476,589.48/1,038,557.69
  6. Step 6: Final answer
    x = 659,352.38

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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.