Home / 1,048,972.80-1,575,014.40-629,068.80

Finding the Fourth Proportional to 1,048,972.80, 1,575,014.40 and 629,068.80

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Solution

The fourth proportional to 1,048,972.80, 1,575,014.40 and 629,068.80 is: 944,535.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,972.80 : 1,575,014.40 = 629,068.80 : x
  2. Step 2: Convert to fraction form
    1,048,972.80/1,575,014.40 = 629,068.80/x
  3. Step 3: Cross multiply
    1,048,972.80x = 1,575,014.40 × 629,068.80
  4. Step 4: Simplify right side
    1,048,972.80x = 990,792,418,590.72
  5. Step 5: Solve for x
    x = 990,792,418,590.72/1,048,972.80
  6. Step 6: Final answer
    x = 944,535.85

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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.