Home / 1,348,834.80-1,861,389.09-736,991.91

Finding the Fourth Proportional to 1,348,834.80, 1,861,389.09 and 736,991.91

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Solution

The fourth proportional to 1,348,834.80, 1,861,389.09 and 736,991.91 is: 1,017,047.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,348,834.80 : 1,861,389.09 = 736,991.91 : x
  2. Step 2: Convert to fraction form
    1,348,834.80/1,861,389.09 = 736,991.91/x
  3. Step 3: Cross multiply
    1,348,834.80x = 1,861,389.09 × 736,991.91
  4. Step 4: Simplify right side
    1,348,834.80x = 1,371,828,700,692.26
  5. Step 5: Solve for x
    x = 1,371,828,700,692.26/1,348,834.80
  6. Step 6: Final answer
    x = 1,017,047.23

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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.