Home / 1,209,675.86-1,814,518.68-490,031.17

Finding the Fourth Proportional to 1,209,675.86, 1,814,518.68 and 490,031.17

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Solution

The fourth proportional to 1,209,675.86, 1,814,518.68 and 490,031.17 is: 735,048.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,675.86 : 1,814,518.68 = 490,031.17 : x
  2. Step 2: Convert to fraction form
    1,209,675.86/1,814,518.68 = 490,031.17/x
  3. Step 3: Cross multiply
    1,209,675.86x = 1,814,518.68 × 490,031.17
  4. Step 4: Simplify right side
    1,209,675.86x = 889,170,709,297.10
  5. Step 5: Solve for x
    x = 889,170,709,297.10/1,209,675.86
  6. Step 6: Final answer
    x = 735,048.74

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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.