Home / 1,012,780.89-1,518,945.35-302,716.67

Finding the Fourth Proportional to 1,012,780.89, 1,518,945.35 and 302,716.67

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Solution

The fourth proportional to 1,012,780.89, 1,518,945.35 and 302,716.67 is: 454,007.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,780.89 : 1,518,945.35 = 302,716.67 : x
  2. Step 2: Convert to fraction form
    1,012,780.89/1,518,945.35 = 302,716.67/x
  3. Step 3: Cross multiply
    1,012,780.89x = 1,518,945.35 × 302,716.67
  4. Step 4: Simplify right side
    1,012,780.89x = 459,810,069,155.67
  5. Step 5: Solve for x
    x = 459,810,069,155.67/1,012,780.89
  6. Step 6: Final answer
    x = 454,007.45

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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.