Home / 1,047,477.12-1,570,928.93-289,137.30

Finding the Fourth Proportional to 1,047,477.12, 1,570,928.93 and 289,137.30

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Solution

The fourth proportional to 1,047,477.12, 1,570,928.93 and 289,137.30 is: 433,626.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,477.12 : 1,570,928.93 = 289,137.30 : x
  2. Step 2: Convert to fraction form
    1,047,477.12/1,570,928.93 = 289,137.30/x
  3. Step 3: Cross multiply
    1,047,477.12x = 1,570,928.93 × 289,137.30
  4. Step 4: Simplify right side
    1,047,477.12x = 454,214,147,866.40
  5. Step 5: Solve for x
    x = 454,214,147,866.40/1,047,477.12
  6. Step 6: Final answer
    x = 433,626.80

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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.