Home / 901,285.04-1,242,448.26-686,050.22

Finding the Fourth Proportional to 901,285.04, 1,242,448.26 and 686,050.22

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Solution

The fourth proportional to 901,285.04, 1,242,448.26 and 686,050.22 is: 945,740.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,285.04 : 1,242,448.26 = 686,050.22 : x
  2. Step 2: Convert to fraction form
    901,285.04/1,242,448.26 = 686,050.22/x
  3. Step 3: Cross multiply
    901,285.04x = 1,242,448.26 × 686,050.22
  4. Step 4: Simplify right side
    901,285.04x = 852,381,902,111.62
  5. Step 5: Solve for x
    x = 852,381,902,111.62/901,285.04
  6. Step 6: Final answer
    x = 945,740.65

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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.