Home / 1,409,630.40-2,114,834.40-699,681.60

Finding the Fourth Proportional to 1,409,630.40, 2,114,834.40 and 699,681.60

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Solution

The fourth proportional to 1,409,630.40, 2,114,834.40 and 699,681.60 is: 1,049,715.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,630.40 : 2,114,834.40 = 699,681.60 : x
  2. Step 2: Convert to fraction form
    1,409,630.40/2,114,834.40 = 699,681.60/x
  3. Step 3: Cross multiply
    1,409,630.40x = 2,114,834.40 × 699,681.60
  4. Step 4: Simplify right side
    1,409,630.40x = 1,479,710,716,727.04
  5. Step 5: Solve for x
    x = 1,479,710,716,727.04/1,409,630.40
  6. Step 6: Final answer
    x = 1,049,715.38

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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.