Home / 1,602,877.47-2,211,970.86-877,769.52

Finding the Fourth Proportional to 1,602,877.47, 2,211,970.86 and 877,769.52

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Solution

The fourth proportional to 1,602,877.47, 2,211,970.86 and 877,769.52 is: 1,211,321.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,602,877.47 : 2,211,970.86 = 877,769.52 : x
  2. Step 2: Convert to fraction form
    1,602,877.47/2,211,970.86 = 877,769.52/x
  3. Step 3: Cross multiply
    1,602,877.47x = 2,211,970.86 × 877,769.52
  4. Step 4: Simplify right side
    1,602,877.47x = 1,941,600,600,036.19
  5. Step 5: Solve for x
    x = 1,941,600,600,036.19/1,602,877.47
  6. Step 6: Final answer
    x = 1,211,321.91

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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.