Home / 1,138,386.20-1,709,547.60-606,945.20

Finding the Fourth Proportional to 1,138,386.20, 1,709,547.60 and 606,945.20

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Solution

The fourth proportional to 1,138,386.20, 1,709,547.60 and 606,945.20 is: 911,467.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,386.20 : 1,709,547.60 = 606,945.20 : x
  2. Step 2: Convert to fraction form
    1,138,386.20/1,709,547.60 = 606,945.20/x
  3. Step 3: Cross multiply
    1,138,386.20x = 1,709,547.60 × 606,945.20
  4. Step 4: Simplify right side
    1,138,386.20x = 1,037,601,709,991.52
  5. Step 5: Solve for x
    x = 1,037,601,709,991.52/1,138,386.20
  6. Step 6: Final answer
    x = 911,467.22

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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.