Home / 1,012,012.92-1,518,282.02-302,040.93

Finding the Fourth Proportional to 1,012,012.92, 1,518,282.02 and 302,040.93

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Solution

The fourth proportional to 1,012,012.92, 1,518,282.02 and 302,040.93 is: 453,139.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,012.92 : 1,518,282.02 = 302,040.93 : x
  2. Step 2: Convert to fraction form
    1,012,012.92/1,518,282.02 = 302,040.93/x
  3. Step 3: Cross multiply
    1,012,012.92x = 1,518,282.02 × 302,040.93
  4. Step 4: Simplify right side
    1,012,012.92x = 458,583,319,771.74
  5. Step 5: Solve for x
    x = 458,583,319,771.74/1,012,012.92
  6. Step 6: Final answer
    x = 453,139.79

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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.