Home / 1,340,368.70-2,010,553.05-453,904.70

Finding the Fourth Proportional to 1,340,368.70, 2,010,553.05 and 453,904.70

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Solution

The fourth proportional to 1,340,368.70, 2,010,553.05 and 453,904.70 is: 680,857.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,368.70 : 2,010,553.05 = 453,904.70 : x
  2. Step 2: Convert to fraction form
    1,340,368.70/2,010,553.05 = 453,904.70/x
  3. Step 3: Cross multiply
    1,340,368.70x = 2,010,553.05 × 453,904.70
  4. Step 4: Simplify right side
    1,340,368.70x = 912,599,478,994.34
  5. Step 5: Solve for x
    x = 912,599,478,994.34/1,340,368.70
  6. Step 6: Final answer
    x = 680,857.05

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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.