Home / 1,341,746.60-1,851,658.65-768,897.47

Finding the Fourth Proportional to 1,341,746.60, 1,851,658.65 and 768,897.47

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Solution

The fourth proportional to 1,341,746.60, 1,851,658.65 and 768,897.47 is: 1,061,106.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341,746.60 : 1,851,658.65 = 768,897.47 : x
  2. Step 2: Convert to fraction form
    1,341,746.60/1,851,658.65 = 768,897.47/x
  3. Step 3: Cross multiply
    1,341,746.60x = 1,851,658.65 × 768,897.47
  4. Step 4: Simplify right side
    1,341,746.60x = 1,423,735,655,917.76
  5. Step 5: Solve for x
    x = 1,423,735,655,917.76/1,341,746.60
  6. Step 6: Final answer
    x = 1,061,106.22

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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.