Home / 1,411,890.42-1,948,421.02-767,310.74

Finding the Fourth Proportional to 1,411,890.42, 1,948,421.02 and 767,310.74

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Solution

The fourth proportional to 1,411,890.42, 1,948,421.02 and 767,310.74 is: 1,058,895.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,411,890.42 : 1,948,421.02 = 767,310.74 : x
  2. Step 2: Convert to fraction form
    1,411,890.42/1,948,421.02 = 767,310.74/x
  3. Step 3: Cross multiply
    1,411,890.42x = 1,948,421.02 × 767,310.74
  4. Step 4: Simplify right side
    1,411,890.42x = 1,495,044,374,687.76
  5. Step 5: Solve for x
    x = 1,495,044,374,687.76/1,411,890.42
  6. Step 6: Final answer
    x = 1,058,895.47

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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.