Home / 1,490,036.90-2,056,190.15-845,443.22

Finding the Fourth Proportional to 1,490,036.90, 2,056,190.15 and 845,443.22

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Solution

The fourth proportional to 1,490,036.90, 2,056,190.15 and 845,443.22 is: 1,166,677.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,036.90 : 2,056,190.15 = 845,443.22 : x
  2. Step 2: Convert to fraction form
    1,490,036.90/2,056,190.15 = 845,443.22/x
  3. Step 3: Cross multiply
    1,490,036.90x = 2,056,190.15 × 845,443.22
  4. Step 4: Simplify right side
    1,490,036.90x = 1,738,392,017,121.07
  5. Step 5: Solve for x
    x = 1,738,392,017,121.07/1,490,036.90
  6. Step 6: Final answer
    x = 1,166,677.16

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1.5x scale

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.