Home / 1,013,645.13-1,520,518.29-303,605.52

Finding the Fourth Proportional to 1,013,645.13, 1,520,518.29 and 303,605.52

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Solution

The fourth proportional to 1,013,645.13, 1,520,518.29 and 303,605.52 is: 455,423.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,645.13 : 1,520,518.29 = 303,605.52 : x
  2. Step 2: Convert to fraction form
    1,013,645.13/1,520,518.29 = 303,605.52/x
  3. Step 3: Cross multiply
    1,013,645.13x = 1,520,518.29 × 303,605.52
  4. Step 4: Simplify right side
    1,013,645.13x = 461,637,746,104.96
  5. Step 5: Solve for x
    x = 461,637,746,104.96/1,013,645.13
  6. Step 6: Final answer
    x = 455,423.43

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1.5x scale

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.