Home / 1,341,565.74-1,851,360.71-768,938.04

Finding the Fourth Proportional to 1,341,565.74, 1,851,360.71 and 768,938.04

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Solution

The fourth proportional to 1,341,565.74, 1,851,360.71 and 768,938.04 is: 1,061,134.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341,565.74 : 1,851,360.71 = 768,938.04 : x
  2. Step 2: Convert to fraction form
    1,341,565.74/1,851,360.71 = 768,938.04/x
  3. Step 3: Cross multiply
    1,341,565.74x = 1,851,360.71 × 768,938.04
  4. Step 4: Simplify right side
    1,341,565.74x = 1,423,581,671,835.72
  5. Step 5: Solve for x
    x = 1,423,581,671,835.72/1,341,565.74
  6. Step 6: Final answer
    x = 1,061,134.49

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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.