Home / 1,009,206.08-1,513,369.56-289,388.72

Finding the Fourth Proportional to 1,009,206.08, 1,513,369.56 and 289,388.72

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Solution

The fourth proportional to 1,009,206.08, 1,513,369.56 and 289,388.72 is: 433,957.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,206.08 : 1,513,369.56 = 289,388.72 : x
  2. Step 2: Convert to fraction form
    1,009,206.08/1,513,369.56 = 289,388.72/x
  3. Step 3: Cross multiply
    1,009,206.08x = 1,513,369.56 × 289,388.72
  4. Step 4: Simplify right side
    1,009,206.08x = 437,952,079,855.36
  5. Step 5: Solve for x
    x = 437,952,079,855.36/1,009,206.08
  6. Step 6: Final answer
    x = 433,957.04

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1.5x scale

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.