Home / 1,112,742.16-1,668,694.20-402,594.64

Finding the Fourth Proportional to 1,112,742.16, 1,668,694.20 and 402,594.64

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Solution

The fourth proportional to 1,112,742.16, 1,668,694.20 and 402,594.64 is: 603,740.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,742.16 : 1,668,694.20 = 402,594.64 : x
  2. Step 2: Convert to fraction form
    1,112,742.16/1,668,694.20 = 402,594.64/x
  3. Step 3: Cross multiply
    1,112,742.16x = 1,668,694.20 × 402,594.64
  4. Step 4: Simplify right side
    1,112,742.16x = 671,807,340,719.09
  5. Step 5: Solve for x
    x = 671,807,340,719.09/1,112,742.16
  6. Step 6: Final answer
    x = 603,740.35

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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.