Home / 1,230,154.80-1,846,009.80-724,714.80

Finding the Fourth Proportional to 1,230,154.80, 1,846,009.80 and 724,714.80

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Solution

The fourth proportional to 1,230,154.80, 1,846,009.80 and 724,714.80 is: 1,087,530.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,154.80 : 1,846,009.80 = 724,714.80 : x
  2. Step 2: Convert to fraction form
    1,230,154.80/1,846,009.80 = 724,714.80/x
  3. Step 3: Cross multiply
    1,230,154.80x = 1,846,009.80 × 724,714.80
  4. Step 4: Simplify right side
    1,230,154.80x = 1,337,830,623,005.04
  5. Step 5: Solve for x
    x = 1,337,830,623,005.04/1,230,154.80
  6. Step 6: Final answer
    x = 1,087,530.30

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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.