Home / 1,313,730.56-1,812,946.92-710,118.56

Finding the Fourth Proportional to 1,313,730.56, 1,812,946.92 and 710,118.56

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Solution

The fourth proportional to 1,313,730.56, 1,812,946.92 and 710,118.56 is: 979,962.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,730.56 : 1,812,946.92 = 710,118.56 : x
  2. Step 2: Convert to fraction form
    1,313,730.56/1,812,946.92 = 710,118.56/x
  3. Step 3: Cross multiply
    1,313,730.56x = 1,812,946.92 × 710,118.56
  4. Step 4: Simplify right side
    1,313,730.56x = 1,287,407,256,186.84
  5. Step 5: Solve for x
    x = 1,287,407,256,186.84/1,313,730.56
  6. Step 6: Final answer
    x = 979,962.94

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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.