Home / 1,012,384.20-1,518,600.60-302,435.40

Finding the Fourth Proportional to 1,012,384.20, 1,518,600.60 and 302,435.40

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Solution

The fourth proportional to 1,012,384.20, 1,518,600.60 and 302,435.40 is: 453,660.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,384.20 : 1,518,600.60 = 302,435.40 : x
  2. Step 2: Convert to fraction form
    1,012,384.20/1,518,600.60 = 302,435.40/x
  3. Step 3: Cross multiply
    1,012,384.20x = 1,518,600.60 × 302,435.40
  4. Step 4: Simplify right side
    1,012,384.20x = 459,278,579,901.24
  5. Step 5: Solve for x
    x = 459,278,579,901.24/1,012,384.20
  6. Step 6: Final answer
    x = 453,660.36

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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.