Home / 1,114,271.80-1,671,647.48-345,754.20

Finding the Fourth Proportional to 1,114,271.80, 1,671,647.48 and 345,754.20

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Solution

The fourth proportional to 1,114,271.80, 1,671,647.48 and 345,754.20 is: 518,705.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,271.80 : 1,671,647.48 = 345,754.20 : x
  2. Step 2: Convert to fraction form
    1,114,271.80/1,671,647.48 = 345,754.20/x
  3. Step 3: Cross multiply
    1,114,271.80x = 1,671,647.48 × 345,754.20
  4. Step 4: Simplify right side
    1,114,271.80x = 577,979,137,129.42
  5. Step 5: Solve for x
    x = 577,979,137,129.42/1,114,271.80
  6. Step 6: Final answer
    x = 518,705.70

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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.