Home / 1,301,386.12-1,952,021.73-354,756.87

Finding the Fourth Proportional to 1,301,386.12, 1,952,021.73 and 354,756.87

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Solution

The fourth proportional to 1,301,386.12, 1,952,021.73 and 354,756.87 is: 532,119.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,301,386.12 : 1,952,021.73 = 354,756.87 : x
  2. Step 2: Convert to fraction form
    1,301,386.12/1,952,021.73 = 354,756.87/x
  3. Step 3: Cross multiply
    1,301,386.12x = 1,952,021.73 × 354,756.87
  4. Step 4: Simplify right side
    1,301,386.12x = 692,493,119,106.79
  5. Step 5: Solve for x
    x = 692,493,119,106.79/1,301,386.12
  6. Step 6: Final answer
    x = 532,119.65

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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.