Home / 1,012,393.80-1,518,608.70-302,430.60

Finding the Fourth Proportional to 1,012,393.80, 1,518,608.70 and 302,430.60

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Solution

The fourth proportional to 1,012,393.80, 1,518,608.70 and 302,430.60 is: 453,651.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,393.80 : 1,518,608.70 = 302,430.60 : x
  2. Step 2: Convert to fraction form
    1,012,393.80/1,518,608.70 = 302,430.60/x
  3. Step 3: Cross multiply
    1,012,393.80x = 1,518,608.70 × 302,430.60
  4. Step 4: Simplify right side
    1,012,393.80x = 459,273,740,306.22
  5. Step 5: Solve for x
    x = 459,273,740,306.22/1,012,393.80
  6. Step 6: Final answer
    x = 453,651.28

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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.