Home / 1,019,063.20-1,528,400.40-309,114.40

Finding the Fourth Proportional to 1,019,063.20, 1,528,400.40 and 309,114.40

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Solution

The fourth proportional to 1,019,063.20, 1,528,400.40 and 309,114.40 is: 463,612.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,063.20 : 1,528,400.40 = 309,114.40 : x
  2. Step 2: Convert to fraction form
    1,019,063.20/1,528,400.40 = 309,114.40/x
  3. Step 3: Cross multiply
    1,019,063.20x = 1,528,400.40 × 309,114.40
  4. Step 4: Simplify right side
    1,019,063.20x = 472,450,572,605.76
  5. Step 5: Solve for x
    x = 472,450,572,605.76/1,019,063.20
  6. Step 6: Final answer
    x = 463,612.63

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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.