Home / 1,130,845-1,697,108.40-456,932.16

Finding the Fourth Proportional to 1,130,845, 1,697,108.40 and 456,932.16

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Solution

The fourth proportional to 1,130,845, 1,697,108.40 and 456,932.16 is: 685,738.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,845 : 1,697,108.40 = 456,932.16 : x
  2. Step 2: Convert to fraction form
    1,130,845/1,697,108.40 = 456,932.16/x
  3. Step 3: Cross multiply
    1,130,845x = 1,697,108.40 × 456,932.16
  4. Step 4: Simplify right side
    1,130,845x = 775,463,406,966.14
  5. Step 5: Solve for x
    x = 775,463,406,966.14/1,130,845
  6. Step 6: Final answer
    x = 685,738.02

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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.