Home / 1,020,446.76-1,530,684.84-355,598.76

Finding the Fourth Proportional to 1,020,446.76, 1,530,684.84 and 355,598.76

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Solution

The fourth proportional to 1,020,446.76, 1,530,684.84 and 355,598.76 is: 533,403.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,446.76 : 1,530,684.84 = 355,598.76 : x
  2. Step 2: Convert to fraction form
    1,020,446.76/1,530,684.84 = 355,598.76/x
  3. Step 3: Cross multiply
    1,020,446.76x = 1,530,684.84 × 355,598.76
  4. Step 4: Simplify right side
    1,020,446.76x = 544,309,631,054.80
  5. Step 5: Solve for x
    x = 544,309,631,054.80/1,020,446.76
  6. Step 6: Final answer
    x = 533,403.26

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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.