Home / 1,210,411.64-1,815,667.56-357,483.46

Finding the Fourth Proportional to 1,210,411.64, 1,815,667.56 and 357,483.46

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Solution

The fourth proportional to 1,210,411.64, 1,815,667.56 and 357,483.46 is: 536,239.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,411.64 : 1,815,667.56 = 357,483.46 : x
  2. Step 2: Convert to fraction form
    1,210,411.64/1,815,667.56 = 357,483.46/x
  3. Step 3: Cross multiply
    1,210,411.64x = 1,815,667.56 × 357,483.46
  4. Step 4: Simplify right side
    1,210,411.64x = 649,071,121,558.56
  5. Step 5: Solve for x
    x = 649,071,121,558.56/1,210,411.64
  6. Step 6: Final answer
    x = 536,239.99

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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.