Home / 1,087,075-1,628,836.71-660,741.22

Finding the Fourth Proportional to 1,087,075, 1,628,836.71 and 660,741.22

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Solution

The fourth proportional to 1,087,075, 1,628,836.71 and 660,741.22 is: 990,032.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,075 : 1,628,836.71 = 660,741.22 : x
  2. Step 2: Convert to fraction form
    1,087,075/1,628,836.71 = 660,741.22/x
  3. Step 3: Cross multiply
    1,087,075x = 1,628,836.71 × 660,741.22
  4. Step 4: Simplify right side
    1,087,075x = 1,076,239,554,946.19
  5. Step 5: Solve for x
    x = 1,076,239,554,946.19/1,087,075
  6. Step 6: Final answer
    x = 990,032.48

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1.5x scale

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.