Home / 1,142,010.63-1,575,261.09-734,643

Finding the Fourth Proportional to 1,142,010.63, 1,575,261.09 and 734,643

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Solution

The fourth proportional to 1,142,010.63, 1,575,261.09 and 734,643 is: 1,013,348.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,010.63 : 1,575,261.09 = 734,643 : x
  2. Step 2: Convert to fraction form
    1,142,010.63/1,575,261.09 = 734,643/x
  3. Step 3: Cross multiply
    1,142,010.63x = 1,575,261.09 × 734,643
  4. Step 4: Simplify right side
    1,142,010.63x = 1,157,254,532,940.87
  5. Step 5: Solve for x
    x = 1,157,254,532,940.87/1,142,010.63
  6. Step 6: Final answer
    x = 1,013,348.30

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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.