Home / 1,555,764-2,333,646-505,140

Finding the Fourth Proportional to 1,555,764, 2,333,646 and 505,140

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Solution

The fourth proportional to 1,555,764, 2,333,646 and 505,140 is: 757,710

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555,764 : 2,333,646 = 505,140 : x
  2. Step 2: Convert to fraction form
    1,555,764/2,333,646 = 505,140/x
  3. Step 3: Cross multiply
    1,555,764x = 2,333,646 × 505,140
  4. Step 4: Simplify right side
    1,555,764x = 1,178,817,940,440
  5. Step 5: Solve for x
    x = 1,178,817,940,440/1,555,764
  6. Step 6: Final answer
    x = 757,710

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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.