Home / 1,139,726.52-1,572,908.00-649,707.72

Finding the Fourth Proportional to 1,139,726.52, 1,572,908.00 and 649,707.72

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Solution

The fourth proportional to 1,139,726.52, 1,572,908.00 and 649,707.72 is: 896,645.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,726.52 : 1,572,908.00 = 649,707.72 : x
  2. Step 2: Convert to fraction form
    1,139,726.52/1,572,908.00 = 649,707.72/x
  3. Step 3: Cross multiply
    1,139,726.52x = 1,572,908.00 × 649,707.72
  4. Step 4: Simplify right side
    1,139,726.52x = 1,021,930,475,199.36
  5. Step 5: Solve for x
    x = 1,021,930,475,199.36/1,139,726.52
  6. Step 6: Final answer
    x = 896,645.34

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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.