Home / 1,328,999.70-1,994,483.70-974,705.70

Finding the Fourth Proportional to 1,328,999.70, 1,994,483.70 and 974,705.70

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Solution

The fourth proportional to 1,328,999.70, 1,994,483.70 and 974,705.70 is: 1,462,780.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,999.70 : 1,994,483.70 = 974,705.70 : x
  2. Step 2: Convert to fraction form
    1,328,999.70/1,994,483.70 = 974,705.70/x
  3. Step 3: Cross multiply
    1,328,999.70x = 1,994,483.70 × 974,705.70
  4. Step 4: Simplify right side
    1,328,999.70x = 1,944,034,630,947.09
  5. Step 5: Solve for x
    x = 1,944,034,630,947.09/1,328,999.70
  6. Step 6: Final answer
    x = 1,462,780.34

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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.