Home / 1,245,386.60-1,867,820.70-346,596.20

Finding the Fourth Proportional to 1,245,386.60, 1,867,820.70 and 346,596.20

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Solution

The fourth proportional to 1,245,386.60, 1,867,820.70 and 346,596.20 is: 519,822.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,386.60 : 1,867,820.70 = 346,596.20 : x
  2. Step 2: Convert to fraction form
    1,245,386.60/1,867,820.70 = 346,596.20/x
  3. Step 3: Cross multiply
    1,245,386.60x = 1,867,820.70 × 346,596.20
  4. Step 4: Simplify right side
    1,245,386.60x = 647,379,556,901.34
  5. Step 5: Solve for x
    x = 647,379,556,901.34/1,245,386.60
  6. Step 6: Final answer
    x = 519,822.16

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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.