Home / 1,602,877.35-2,211,970.69-877,769.40

Finding the Fourth Proportional to 1,602,877.35, 2,211,970.69 and 877,769.40

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Solution

The fourth proportional to 1,602,877.35, 2,211,970.69 and 877,769.40 is: 1,211,321.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,602,877.35 : 2,211,970.69 = 877,769.40 : x
  2. Step 2: Convert to fraction form
    1,602,877.35/2,211,970.69 = 877,769.40/x
  3. Step 3: Cross multiply
    1,602,877.35x = 2,211,970.69 × 877,769.40
  4. Step 4: Simplify right side
    1,602,877.35x = 1,941,600,185,378.89
  5. Step 5: Solve for x
    x = 1,941,600,185,378.89/1,602,877.35
  6. Step 6: Final answer
    x = 1,211,321.74

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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.