Home / 1,384,047.60-2,074,516.20-709,868.40

Finding the Fourth Proportional to 1,384,047.60, 2,074,516.20 and 709,868.40

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Solution

The fourth proportional to 1,384,047.60, 2,074,516.20 and 709,868.40 is: 1,064,004.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,047.60 : 2,074,516.20 = 709,868.40 : x
  2. Step 2: Convert to fraction form
    1,384,047.60/2,074,516.20 = 709,868.40/x
  3. Step 3: Cross multiply
    1,384,047.60x = 2,074,516.20 × 709,868.40
  4. Step 4: Simplify right side
    1,384,047.60x = 1,472,633,495,668.08
  5. Step 5: Solve for x
    x = 1,472,633,495,668.08/1,384,047.60
  6. Step 6: Final answer
    x = 1,064,004.95

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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.