Home / 1,428,317.19-2,142,488.34-363,360.39

Finding the Fourth Proportional to 1,428,317.19, 2,142,488.34 and 363,360.39

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Solution

The fourth proportional to 1,428,317.19, 2,142,488.34 and 363,360.39 is: 545,043.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,428,317.19 : 2,142,488.34 = 363,360.39 : x
  2. Step 2: Convert to fraction form
    1,428,317.19/2,142,488.34 = 363,360.39/x
  3. Step 3: Cross multiply
    1,428,317.19x = 2,142,488.34 × 363,360.39
  4. Step 4: Simplify right side
    1,428,317.19x = 778,495,398,792.85
  5. Step 5: Solve for x
    x = 778,495,398,792.85/1,428,317.19
  6. Step 6: Final answer
    x = 545,043.78

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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.