Home / 1,877,069.63-2,592,494.48-1,272,407.87

Finding the Fourth Proportional to 1,877,069.63, 2,592,494.48 and 1,272,407.87

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Solution

The fourth proportional to 1,877,069.63, 2,592,494.48 and 1,272,407.87 is: 1,757,372.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,877,069.63 : 2,592,494.48 = 1,272,407.87 : x
  2. Step 2: Convert to fraction form
    1,877,069.63/2,592,494.48 = 1,272,407.87/x
  3. Step 3: Cross multiply
    1,877,069.63x = 2,592,494.48 × 1,272,407.87
  4. Step 4: Simplify right side
    1,877,069.63x = 3,298,710,369,502.11
  5. Step 5: Solve for x
    x = 3,298,710,369,502.11/1,877,069.63
  6. Step 6: Final answer
    x = 1,757,372.41

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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.