Home / 1,630,189.72-2,249,549.92-904,980.96

Finding the Fourth Proportional to 1,630,189.72, 2,249,549.92 and 904,980.96

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Solution

The fourth proportional to 1,630,189.72, 2,249,549.92 and 904,980.96 is: 1,248,811.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630,189.72 : 2,249,549.92 = 904,980.96 : x
  2. Step 2: Convert to fraction form
    1,630,189.72/2,249,549.92 = 904,980.96/x
  3. Step 3: Cross multiply
    1,630,189.72x = 2,249,549.92 × 904,980.96
  4. Step 4: Simplify right side
    1,630,189.72x = 2,035,799,846,169.52
  5. Step 5: Solve for x
    x = 2,035,799,846,169.52/1,630,189.72
  6. Step 6: Final answer
    x = 1,248,811.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.