Home / 1,369,858.64-1,890,302.28-766,130

Finding the Fourth Proportional to 1,369,858.64, 1,890,302.28 and 766,130

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Solution

The fourth proportional to 1,369,858.64, 1,890,302.28 and 766,130 is: 1,057,201.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369,858.64 : 1,890,302.28 = 766,130 : x
  2. Step 2: Convert to fraction form
    1,369,858.64/1,890,302.28 = 766,130/x
  3. Step 3: Cross multiply
    1,369,858.64x = 1,890,302.28 × 766,130
  4. Step 4: Simplify right side
    1,369,858.64x = 1,448,217,285,776.40
  5. Step 5: Solve for x
    x = 1,448,217,285,776.40/1,369,858.64
  6. Step 6: Final answer
    x = 1,057,201.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.