Home / 1,112,403.23-1,668,607.59-313,688.96

Finding the Fourth Proportional to 1,112,403.23, 1,668,607.59 and 313,688.96

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Solution

The fourth proportional to 1,112,403.23, 1,668,607.59 and 313,688.96 is: 470,534.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,403.23 : 1,668,607.59 = 313,688.96 : x
  2. Step 2: Convert to fraction form
    1,112,403.23/1,668,607.59 = 313,688.96/x
  3. Step 3: Cross multiply
    1,112,403.23x = 1,668,607.59 × 313,688.96
  4. Step 4: Simplify right side
    1,112,403.23x = 523,423,784,244.04
  5. Step 5: Solve for x
    x = 523,423,784,244.04/1,112,403.23
  6. Step 6: Final answer
    x = 470,534.22

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1.5x scale

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.