Home / 1,271,210.09-1,906,815.15-472,692.65

Finding the Fourth Proportional to 1,271,210.09, 1,906,815.15 and 472,692.65

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Solution

The fourth proportional to 1,271,210.09, 1,906,815.15 and 472,692.65 is: 709,038.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,210.09 : 1,906,815.15 = 472,692.65 : x
  2. Step 2: Convert to fraction form
    1,271,210.09/1,906,815.15 = 472,692.65/x
  3. Step 3: Cross multiply
    1,271,210.09x = 1,906,815.15 × 472,692.65
  4. Step 4: Simplify right side
    1,271,210.09x = 901,337,496,779.57
  5. Step 5: Solve for x
    x = 901,337,496,779.57/1,271,210.09
  6. Step 6: Final answer
    x = 709,038.98

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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.