Home / 1,403,688.54-2,105,533-338,730.60

Finding the Fourth Proportional to 1,403,688.54, 2,105,533 and 338,730.60

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Solution

The fourth proportional to 1,403,688.54, 2,105,533 and 338,730.60 is: 508,095.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403,688.54 : 2,105,533 = 338,730.60 : x
  2. Step 2: Convert to fraction form
    1,403,688.54/2,105,533 = 338,730.60/x
  3. Step 3: Cross multiply
    1,403,688.54x = 2,105,533 × 338,730.60
  4. Step 4: Simplify right side
    1,403,688.54x = 713,208,445,882.14
  5. Step 5: Solve for x
    x = 713,208,445,882.14/1,403,688.54
  6. Step 6: Final answer
    x = 508,095.94

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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.