Home / 1,502,897.81-2,255,536.85-783,445.70

Finding the Fourth Proportional to 1,502,897.81, 2,255,536.85 and 783,445.70

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Solution

The fourth proportional to 1,502,897.81, 2,255,536.85 and 783,445.70 is: 1,175,788.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,502,897.81 : 2,255,536.85 = 783,445.70 : x
  2. Step 2: Convert to fraction form
    1,502,897.81/2,255,536.85 = 783,445.70/x
  3. Step 3: Cross multiply
    1,502,897.81x = 2,255,536.85 × 783,445.70
  4. Step 4: Simplify right side
    1,502,897.81x = 1,767,090,648,045.66
  5. Step 5: Solve for x
    x = 1,767,090,648,045.66/1,502,897.81
  6. Step 6: Final answer
    x = 1,175,788.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.