Home / 1,019,602-1,529,303.64-309,636.19

Finding the Fourth Proportional to 1,019,602, 1,529,303.64 and 309,636.19

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Solution

The fourth proportional to 1,019,602, 1,529,303.64 and 309,636.19 is: 464,424.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,602 : 1,529,303.64 = 309,636.19 : x
  2. Step 2: Convert to fraction form
    1,019,602/1,529,303.64 = 309,636.19/x
  3. Step 3: Cross multiply
    1,019,602x = 1,529,303.64 × 309,636.19
  4. Step 4: Simplify right side
    1,019,602x = 473,527,752,442.73
  5. Step 5: Solve for x
    x = 473,527,752,442.73/1,019,602
  6. Step 6: Final answer
    x = 464,424.11

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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.