Home / 1,405,620.95-2,108,431.37-340,663.01

Finding the Fourth Proportional to 1,405,620.95, 2,108,431.37 and 340,663.01

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Solution

The fourth proportional to 1,405,620.95, 2,108,431.37 and 340,663.01 is: 510,994.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,620.95 : 2,108,431.37 = 340,663.01 : x
  2. Step 2: Convert to fraction form
    1,405,620.95/2,108,431.37 = 340,663.01/x
  3. Step 3: Cross multiply
    1,405,620.95x = 2,108,431.37 × 340,663.01
  4. Step 4: Simplify right side
    1,405,620.95x = 718,264,567,192.12
  5. Step 5: Solve for x
    x = 718,264,567,192.12/1,405,620.95
  6. Step 6: Final answer
    x = 510,994.50

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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.