Home / 1,142,011.63-1,575,262.47-734,644

Finding the Fourth Proportional to 1,142,011.63, 1,575,262.47 and 734,644

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Solution

The fourth proportional to 1,142,011.63, 1,575,262.47 and 734,644 is: 1,013,349.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,011.63 : 1,575,262.47 = 734,644 : x
  2. Step 2: Convert to fraction form
    1,142,011.63/1,575,262.47 = 734,644/x
  3. Step 3: Cross multiply
    1,142,011.63x = 1,575,262.47 × 734,644
  4. Step 4: Simplify right side
    1,142,011.63x = 1,157,257,122,010.68
  5. Step 5: Solve for x
    x = 1,157,257,122,010.68/1,142,011.63
  6. Step 6: Final answer
    x = 1,013,349.68

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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.