Home / 1,751,122.47-2,626,543.46-778,787.81

Finding the Fourth Proportional to 1,751,122.47, 2,626,543.46 and 778,787.81

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Solution

The fourth proportional to 1,751,122.47, 2,626,543.46 and 778,787.81 is: 1,168,119.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,751,122.47 : 2,626,543.46 = 778,787.81 : x
  2. Step 2: Convert to fraction form
    1,751,122.47/2,626,543.46 = 778,787.81/x
  3. Step 3: Cross multiply
    1,751,122.47x = 2,626,543.46 × 778,787.81
  4. Step 4: Simplify right side
    1,751,122.47x = 2,045,520,017,897.48
  5. Step 5: Solve for x
    x = 2,045,520,017,897.48/1,751,122.47
  6. Step 6: Final answer
    x = 1,168,119.34

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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.