Home / 1,015,438.36-1,401,459.28-648,074

Finding the Fourth Proportional to 1,015,438.36, 1,401,459.28 and 648,074

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Solution

The fourth proportional to 1,015,438.36, 1,401,459.28 and 648,074 is: 894,440.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,438.36 : 1,401,459.28 = 648,074 : x
  2. Step 2: Convert to fraction form
    1,015,438.36/1,401,459.28 = 648,074/x
  3. Step 3: Cross multiply
    1,015,438.36x = 1,401,459.28 × 648,074
  4. Step 4: Simplify right side
    1,015,438.36x = 908,249,321,426.72
  5. Step 5: Solve for x
    x = 908,249,321,426.72/1,015,438.36
  6. Step 6: Final answer
    x = 894,440.63

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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.