Home / 1,130,897.64-1,695,903.57-420,538.17

Finding the Fourth Proportional to 1,130,897.64, 1,695,903.57 and 420,538.17

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Solution

The fourth proportional to 1,130,897.64, 1,695,903.57 and 420,538.17 is: 630,642.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,897.64 : 1,695,903.57 = 420,538.17 : x
  2. Step 2: Convert to fraction form
    1,130,897.64/1,695,903.57 = 420,538.17/x
  3. Step 3: Cross multiply
    1,130,897.64x = 1,695,903.57 × 420,538.17
  4. Step 4: Simplify right side
    1,130,897.64x = 713,192,183,824.27
  5. Step 5: Solve for x
    x = 713,192,183,824.27/1,130,897.64
  6. Step 6: Final answer
    x = 630,642.56

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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.