Home / 1,161,042.40-1,742,236.16-487,064

Finding the Fourth Proportional to 1,161,042.40, 1,742,236.16 and 487,064

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Solution

The fourth proportional to 1,161,042.40, 1,742,236.16 and 487,064 is: 730,878.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,161,042.40 : 1,742,236.16 = 487,064 : x
  2. Step 2: Convert to fraction form
    1,161,042.40/1,742,236.16 = 487,064/x
  3. Step 3: Cross multiply
    1,161,042.40x = 1,742,236.16 × 487,064
  4. Step 4: Simplify right side
    1,161,042.40x = 848,580,513,034.24
  5. Step 5: Solve for x
    x = 848,580,513,034.24/1,161,042.40
  6. Step 6: Final answer
    x = 730,878.14

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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.