Home / 1,217,209.78-1,825,980.81-507,071.74

Finding the Fourth Proportional to 1,217,209.78, 1,825,980.81 and 507,071.74

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Solution

The fourth proportional to 1,217,209.78, 1,825,980.81 and 507,071.74 is: 760,676.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,209.78 : 1,825,980.81 = 507,071.74 : x
  2. Step 2: Convert to fraction form
    1,217,209.78/1,825,980.81 = 507,071.74/x
  3. Step 3: Cross multiply
    1,217,209.78x = 1,825,980.81 × 507,071.74
  4. Step 4: Simplify right side
    1,217,209.78x = 925,903,266,533.31
  5. Step 5: Solve for x
    x = 925,903,266,533.31/1,217,209.78
  6. Step 6: Final answer
    x = 760,676.82

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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.