Home / 1,048,354.18-1,572,522.63-300,400.90

Finding the Fourth Proportional to 1,048,354.18, 1,572,522.63 and 300,400.90

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Solution

The fourth proportional to 1,048,354.18, 1,572,522.63 and 300,400.90 is: 450,598.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,354.18 : 1,572,522.63 = 300,400.90 : x
  2. Step 2: Convert to fraction form
    1,048,354.18/1,572,522.63 = 300,400.90/x
  3. Step 3: Cross multiply
    1,048,354.18x = 1,572,522.63 × 300,400.90
  4. Step 4: Simplify right side
    1,048,354.18x = 472,387,213,322.37
  5. Step 5: Solve for x
    x = 472,387,213,322.37/1,048,354.18
  6. Step 6: Final answer
    x = 450,598.87

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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.