Home / 1,155,504.96-1,732,904.28-407,376

Finding the Fourth Proportional to 1,155,504.96, 1,732,904.28 and 407,376

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Solution

The fourth proportional to 1,155,504.96, 1,732,904.28 and 407,376 is: 610,939.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,504.96 : 1,732,904.28 = 407,376 : x
  2. Step 2: Convert to fraction form
    1,155,504.96/1,732,904.28 = 407,376/x
  3. Step 3: Cross multiply
    1,155,504.96x = 1,732,904.28 × 407,376
  4. Step 4: Simplify right side
    1,155,504.96x = 705,943,613,969.28
  5. Step 5: Solve for x
    x = 705,943,613,969.28/1,155,504.96
  6. Step 6: Final answer
    x = 610,939.49

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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.