Home / 1,048,133.17-1,572,230.40-289,980.73

Finding the Fourth Proportional to 1,048,133.17, 1,572,230.40 and 289,980.73

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Solution

The fourth proportional to 1,048,133.17, 1,572,230.40 and 289,980.73 is: 434,979.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,133.17 : 1,572,230.40 = 289,980.73 : x
  2. Step 2: Convert to fraction form
    1,048,133.17/1,572,230.40 = 289,980.73/x
  3. Step 3: Cross multiply
    1,048,133.17x = 1,572,230.40 × 289,980.73
  4. Step 4: Simplify right side
    1,048,133.17x = 455,916,519,120.19
  5. Step 5: Solve for x
    x = 455,916,519,120.19/1,048,133.17
  6. Step 6: Final answer
    x = 434,979.57

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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.