Home / 1,187,547.50-1,638,990.64-752,004.60

Finding the Fourth Proportional to 1,187,547.50, 1,638,990.64 and 752,004.60

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Solution

The fourth proportional to 1,187,547.50, 1,638,990.64 and 752,004.60 is: 1,037,877.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,547.50 : 1,638,990.64 = 752,004.60 : x
  2. Step 2: Convert to fraction form
    1,187,547.50/1,638,990.64 = 752,004.60/x
  3. Step 3: Cross multiply
    1,187,547.50x = 1,638,990.64 × 752,004.60
  4. Step 4: Simplify right side
    1,187,547.50x = 1,232,528,500,636.94
  5. Step 5: Solve for x
    x = 1,232,528,500,636.94/1,187,547.50
  6. Step 6: Final answer
    x = 1,037,877.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.