Home / 1,168,458.10-1,752,775.78-315,517.32

Finding the Fourth Proportional to 1,168,458.10, 1,752,775.78 and 315,517.32

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Solution

The fourth proportional to 1,168,458.10, 1,752,775.78 and 315,517.32 is: 473,299.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,168,458.10 : 1,752,775.78 = 315,517.32 : x
  2. Step 2: Convert to fraction form
    1,168,458.10/1,752,775.78 = 315,517.32/x
  3. Step 3: Cross multiply
    1,168,458.10x = 1,752,775.78 × 315,517.32
  4. Step 4: Simplify right side
    1,168,458.10x = 553,031,116,666.51
  5. Step 5: Solve for x
    x = 553,031,116,666.51/1,168,458.10
  6. Step 6: Final answer
    x = 473,299.91

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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.