Home / 1,012,511.80-1,518,785.70-302,548.60

Finding the Fourth Proportional to 1,012,511.80, 1,518,785.70 and 302,548.60

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Solution

The fourth proportional to 1,012,511.80, 1,518,785.70 and 302,548.60 is: 453,828.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,511.80 : 1,518,785.70 = 302,548.60 : x
  2. Step 2: Convert to fraction form
    1,012,511.80/1,518,785.70 = 302,548.60/x
  3. Step 3: Cross multiply
    1,012,511.80x = 1,518,785.70 × 302,548.60
  4. Step 4: Simplify right side
    1,012,511.80x = 459,506,487,235.02
  5. Step 5: Solve for x
    x = 459,506,487,235.02/1,012,511.80
  6. Step 6: Final answer
    x = 453,828.28

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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.