Home / 1,087,066.89-1,500,290.73-657,350.10

Finding the Fourth Proportional to 1,087,066.89, 1,500,290.73 and 657,350.10

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Solution

The fourth proportional to 1,087,066.89, 1,500,290.73 and 657,350.10 is: 907,226.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,066.89 : 1,500,290.73 = 657,350.10 : x
  2. Step 2: Convert to fraction form
    1,087,066.89/1,500,290.73 = 657,350.10/x
  3. Step 3: Cross multiply
    1,087,066.89x = 1,500,290.73 × 657,350.10
  4. Step 4: Simplify right side
    1,087,066.89x = 986,216,261,394.57
  5. Step 5: Solve for x
    x = 986,216,261,394.57/1,087,066.89
  6. Step 6: Final answer
    x = 907,226.84

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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.