Home / 1,563,200.40-2,345,059.80-665,072.40

Finding the Fourth Proportional to 1,563,200.40, 2,345,059.80 and 665,072.40

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Solution

The fourth proportional to 1,563,200.40, 2,345,059.80 and 665,072.40 is: 997,718.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,563,200.40 : 2,345,059.80 = 665,072.40 : x
  2. Step 2: Convert to fraction form
    1,563,200.40/2,345,059.80 = 665,072.40/x
  3. Step 3: Cross multiply
    1,563,200.40x = 2,345,059.80 × 665,072.40
  4. Step 4: Simplify right side
    1,563,200.40x = 1,559,634,549,329.52
  5. Step 5: Solve for x
    x = 1,559,634,549,329.52/1,563,200.40
  6. Step 6: Final answer
    x = 997,718.88

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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.