Home / 1,019,269.55-1,528,913.54-309,297.58

Finding the Fourth Proportional to 1,019,269.55, 1,528,913.54 and 309,297.58

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Solution

The fourth proportional to 1,019,269.55, 1,528,913.54 and 309,297.58 is: 463,949.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,269.55 : 1,528,913.54 = 309,297.58 : x
  2. Step 2: Convert to fraction form
    1,019,269.55/1,528,913.54 = 309,297.58/x
  3. Step 3: Cross multiply
    1,019,269.55x = 1,528,913.54 × 309,297.58
  4. Step 4: Simplify right side
    1,019,269.55x = 472,889,254,902.19
  5. Step 5: Solve for x
    x = 472,889,254,902.19/1,019,269.55
  6. Step 6: Final answer
    x = 463,949.16

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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.