Home / 1,257,547.68-1,886,321.40-310,926.60

Finding the Fourth Proportional to 1,257,547.68, 1,886,321.40 and 310,926.60

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Solution

The fourth proportional to 1,257,547.68, 1,886,321.40 and 310,926.60 is: 466,389.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,547.68 : 1,886,321.40 = 310,926.60 : x
  2. Step 2: Convert to fraction form
    1,257,547.68/1,886,321.40 = 310,926.60/x
  3. Step 3: Cross multiply
    1,257,547.68x = 1,886,321.40 × 310,926.60
  4. Step 4: Simplify right side
    1,257,547.68x = 586,507,499,409.24
  5. Step 5: Solve for x
    x = 586,507,499,409.24/1,257,547.68
  6. Step 6: Final answer
    x = 466,389.87

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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.