Home / 1,047,986.12-1,572,074.22-289,875.08

Finding the Fourth Proportional to 1,047,986.12, 1,572,074.22 and 289,875.08

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Solution

The fourth proportional to 1,047,986.12, 1,572,074.22 and 289,875.08 is: 434,838.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,986.12 : 1,572,074.22 = 289,875.08 : x
  2. Step 2: Convert to fraction form
    1,047,986.12/1,572,074.22 = 289,875.08/x
  3. Step 3: Cross multiply
    1,047,986.12x = 1,572,074.22 × 289,875.08
  4. Step 4: Simplify right side
    1,047,986.12x = 455,705,140,288.44
  5. Step 5: Solve for x
    x = 455,705,140,288.44/1,047,986.12
  6. Step 6: Final answer
    x = 434,838.91

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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.