Home / 1,297,461.02-1,790,489.08-716,724.10

Finding the Fourth Proportional to 1,297,461.02, 1,790,489.08 and 716,724.10

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Solution

The fourth proportional to 1,297,461.02, 1,790,489.08 and 716,724.10 is: 989,075.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,297,461.02 : 1,790,489.08 = 716,724.10 : x
  2. Step 2: Convert to fraction form
    1,297,461.02/1,790,489.08 = 716,724.10/x
  3. Step 3: Cross multiply
    1,297,461.02x = 1,790,489.08 × 716,724.10
  4. Step 4: Simplify right side
    1,297,461.02x = 1,283,286,674,422.83
  5. Step 5: Solve for x
    x = 1,283,286,674,422.83/1,297,461.02
  6. Step 6: Final answer
    x = 989,075.32

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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.