Home / 1,245,520.60-1,868,021.70-346,730.20

Finding the Fourth Proportional to 1,245,520.60, 1,868,021.70 and 346,730.20

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Solution

The fourth proportional to 1,245,520.60, 1,868,021.70 and 346,730.20 is: 520,023.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,520.60 : 1,868,021.70 = 346,730.20 : x
  2. Step 2: Convert to fraction form
    1,245,520.60/1,868,021.70 = 346,730.20/x
  3. Step 3: Cross multiply
    1,245,520.60x = 1,868,021.70 × 346,730.20
  4. Step 4: Simplify right side
    1,245,520.60x = 647,699,537,645.34
  5. Step 5: Solve for x
    x = 647,699,537,645.34/1,245,520.60
  6. Step 6: Final answer
    x = 520,023.14

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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.