Home / 1,602,486.72-2,211,436.80-877,340.16

Finding the Fourth Proportional to 1,602,486.72, 2,211,436.80 and 877,340.16

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Solution

The fourth proportional to 1,602,486.72, 2,211,436.80 and 877,340.16 is: 1,210,732.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,602,486.72 : 2,211,436.80 = 877,340.16 : x
  2. Step 2: Convert to fraction form
    1,602,486.72/2,211,436.80 = 877,340.16/x
  3. Step 3: Cross multiply
    1,602,486.72x = 2,211,436.80 × 877,340.16
  4. Step 4: Simplify right side
    1,602,486.72x = 1,940,182,315,941.89
  5. Step 5: Solve for x
    x = 1,940,182,315,941.89/1,602,486.72
  6. Step 6: Final answer
    x = 1,210,732.23

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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.