Home / 1,428,303.90-2,142,467.97-363,346.86

Finding the Fourth Proportional to 1,428,303.90, 2,142,467.97 and 363,346.86

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Solution

The fourth proportional to 1,428,303.90, 2,142,467.97 and 363,346.86 is: 545,023.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,428,303.90 : 2,142,467.97 = 363,346.86 : x
  2. Step 2: Convert to fraction form
    1,428,303.90/2,142,467.97 = 363,346.86/x
  3. Step 3: Cross multiply
    1,428,303.90x = 2,142,467.97 × 363,346.86
  4. Step 4: Simplify right side
    1,428,303.90x = 778,459,009,550.07
  5. Step 5: Solve for x
    x = 778,459,009,550.07/1,428,303.90
  6. Step 6: Final answer
    x = 545,023.37

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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.