Home / 1,578,693.80-2,368,429.50-456,876.20

Finding the Fourth Proportional to 1,578,693.80, 2,368,429.50 and 456,876.20

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Solution

The fourth proportional to 1,578,693.80, 2,368,429.50 and 456,876.20 is: 685,426.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,578,693.80 : 2,368,429.50 = 456,876.20 : x
  2. Step 2: Convert to fraction form
    1,578,693.80/2,368,429.50 = 456,876.20/x
  3. Step 3: Cross multiply
    1,578,693.80x = 2,368,429.50 × 456,876.20
  4. Step 4: Simplify right side
    1,578,693.80x = 1,082,079,069,927.90
  5. Step 5: Solve for x
    x = 1,082,079,069,927.90/1,578,693.80
  6. Step 6: Final answer
    x = 685,426.82

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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.