Home / 1,213,430.94-1,819,368.81-503,948.70

Finding the Fourth Proportional to 1,213,430.94, 1,819,368.81 and 503,948.70

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Solution

The fourth proportional to 1,213,430.94, 1,819,368.81 and 503,948.70 is: 755,600.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,430.94 : 1,819,368.81 = 503,948.70 : x
  2. Step 2: Convert to fraction form
    1,213,430.94/1,819,368.81 = 503,948.70/x
  3. Step 3: Cross multiply
    1,213,430.94x = 1,819,368.81 × 503,948.70
  4. Step 4: Simplify right side
    1,213,430.94x = 916,868,546,620.05
  5. Step 5: Solve for x
    x = 916,868,546,620.05/1,213,430.94
  6. Step 6: Final answer
    x = 755,600.11

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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.