Home / 830,005.80-1,244,024.55-745,368.90

Finding the Fourth Proportional to 830,005.80, 1,244,024.55 and 745,368.90

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Solution

The fourth proportional to 830,005.80, 1,244,024.55 and 745,368.90 is: 1,117,169.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,005.80 : 1,244,024.55 = 745,368.90 : x
  2. Step 2: Convert to fraction form
    830,005.80/1,244,024.55 = 745,368.90/x
  3. Step 3: Cross multiply
    830,005.80x = 1,244,024.55 × 745,368.90
  4. Step 4: Simplify right side
    830,005.80x = 927,257,210,406.50
  5. Step 5: Solve for x
    x = 927,257,210,406.50/830,005.80
  6. Step 6: Final answer
    x = 1,117,169.56

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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.