Home / 1,131,068.90-1,697,811.87-457,590.35

Finding the Fourth Proportional to 1,131,068.90, 1,697,811.87 and 457,590.35

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Solution

The fourth proportional to 1,131,068.90, 1,697,811.87 and 457,590.35 is: 686,874.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,068.90 : 1,697,811.87 = 457,590.35 : x
  2. Step 2: Convert to fraction form
    1,131,068.90/1,697,811.87 = 457,590.35/x
  3. Step 3: Cross multiply
    1,131,068.90x = 1,697,811.87 × 457,590.35
  4. Step 4: Simplify right side
    1,131,068.90x = 776,902,319,338.40
  5. Step 5: Solve for x
    x = 776,902,319,338.40/1,131,068.90
  6. Step 6: Final answer
    x = 686,874.44

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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.