Home / 1,012,728.02-1,518,866.03-302,663.79

Finding the Fourth Proportional to 1,012,728.02, 1,518,866.03 and 302,663.79

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Solution

The fourth proportional to 1,012,728.02, 1,518,866.03 and 302,663.79 is: 453,928.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,728.02 : 1,518,866.03 = 302,663.79 : x
  2. Step 2: Convert to fraction form
    1,012,728.02/1,518,866.03 = 302,663.79/x
  3. Step 3: Cross multiply
    1,012,728.02x = 1,518,866.03 × 302,663.79
  4. Step 4: Simplify right side
    1,012,728.02x = 459,705,749,898.71
  5. Step 5: Solve for x
    x = 459,705,749,898.71/1,012,728.02
  6. Step 6: Final answer
    x = 453,928.15

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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.