Home / 1,155,897.48-1,595,200.50-646,569.48

Finding the Fourth Proportional to 1,155,897.48, 1,595,200.50 and 646,569.48

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Solution

The fourth proportional to 1,155,897.48, 1,595,200.50 and 646,569.48 is: 892,300.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,897.48 : 1,595,200.50 = 646,569.48 : x
  2. Step 2: Convert to fraction form
    1,155,897.48/1,595,200.50 = 646,569.48/x
  3. Step 3: Cross multiply
    1,155,897.48x = 1,595,200.50 × 646,569.48
  4. Step 4: Simplify right side
    1,155,897.48x = 1,031,407,957,780.74
  5. Step 5: Solve for x
    x = 1,031,407,957,780.74/1,155,897.48
  6. Step 6: Final answer
    x = 892,300.55

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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.