Home / 1,209,675.45-1,814,518.07-490,030.76

Finding the Fourth Proportional to 1,209,675.45, 1,814,518.07 and 490,030.76

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Solution

The fourth proportional to 1,209,675.45, 1,814,518.07 and 490,030.76 is: 735,048.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,675.45 : 1,814,518.07 = 490,030.76 : x
  2. Step 2: Convert to fraction form
    1,209,675.45/1,814,518.07 = 490,030.76/x
  3. Step 3: Cross multiply
    1,209,675.45x = 1,814,518.07 × 490,030.76
  4. Step 4: Simplify right side
    1,209,675.45x = 889,169,671,880.78
  5. Step 5: Solve for x
    x = 889,169,671,880.78/1,209,675.45
  6. Step 6: Final answer
    x = 735,048.13

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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.