Home / 1,401,803.42-2,102,674.95-390,898.44

Finding the Fourth Proportional to 1,401,803.42, 2,102,674.95 and 390,898.44

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Solution

The fourth proportional to 1,401,803.42, 2,102,674.95 and 390,898.44 is: 586,339.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,401,803.42 : 2,102,674.95 = 390,898.44 : x
  2. Step 2: Convert to fraction form
    1,401,803.42/2,102,674.95 = 390,898.44/x
  3. Step 3: Cross multiply
    1,401,803.42x = 2,102,674.95 × 390,898.44
  4. Step 4: Simplify right side
    1,401,803.42x = 821,932,357,782.08
  5. Step 5: Solve for x
    x = 821,932,357,782.08/1,401,803.42
  6. Step 6: Final answer
    x = 586,339.25

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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.