Home / 1,018,819.14-1,528,548.75-420,062.10

Finding the Fourth Proportional to 1,018,819.14, 1,528,548.75 and 420,062.10

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Solution

The fourth proportional to 1,018,819.14, 1,528,548.75 and 420,062.10 is: 630,225.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,819.14 : 1,528,548.75 = 420,062.10 : x
  2. Step 2: Convert to fraction form
    1,018,819.14/1,528,548.75 = 420,062.10/x
  3. Step 3: Cross multiply
    1,018,819.14x = 1,528,548.75 × 420,062.10
  4. Step 4: Simplify right side
    1,018,819.14x = 642,085,397,877.38
  5. Step 5: Solve for x
    x = 642,085,397,877.38/1,018,819.14
  6. Step 6: Final answer
    x = 630,225.10

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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.