Home / 1,313,746.13-1,812,968.86-710,134.13

Finding the Fourth Proportional to 1,313,746.13, 1,812,968.86 and 710,134.13

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Solution

The fourth proportional to 1,313,746.13, 1,812,968.86 and 710,134.13 is: 979,984.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,746.13 : 1,812,968.86 = 710,134.13 : x
  2. Step 2: Convert to fraction form
    1,313,746.13/1,812,968.86 = 710,134.13/x
  3. Step 3: Cross multiply
    1,313,746.13x = 1,812,968.86 × 710,134.13
  4. Step 4: Simplify right side
    1,313,746.13x = 1,287,451,062,337.86
  5. Step 5: Solve for x
    x = 1,287,451,062,337.86/1,313,746.13
  6. Step 6: Final answer
    x = 979,984.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.