Home / 1,047,513.47-1,571,360.72-289,354.68

Finding the Fourth Proportional to 1,047,513.47, 1,571,360.72 and 289,354.68

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Solution

The fourth proportional to 1,047,513.47, 1,571,360.72 and 289,354.68 is: 434,057.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,513.47 : 1,571,360.72 = 289,354.68 : x
  2. Step 2: Convert to fraction form
    1,047,513.47/1,571,360.72 = 289,354.68/x
  3. Step 3: Cross multiply
    1,047,513.47x = 1,571,360.72 × 289,354.68
  4. Step 4: Simplify right side
    1,047,513.47x = 454,680,576,853.40
  5. Step 5: Solve for x
    x = 454,680,576,853.40/1,047,513.47
  6. Step 6: Final answer
    x = 434,057.02

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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.