Home / 1,490,149.35-2,056,427.60-836,916.71

Finding the Fourth Proportional to 1,490,149.35, 2,056,427.60 and 836,916.71

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Solution

The fourth proportional to 1,490,149.35, 2,056,427.60 and 836,916.71 is: 1,154,957.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,149.35 : 2,056,427.60 = 836,916.71 : x
  2. Step 2: Convert to fraction form
    1,490,149.35/2,056,427.60 = 836,916.71/x
  3. Step 3: Cross multiply
    1,490,149.35x = 2,056,427.60 × 836,916.71
  4. Step 4: Simplify right side
    1,490,149.35x = 1,721,058,606,878.47
  5. Step 5: Solve for x
    x = 1,721,058,606,878.47/1,490,149.35
  6. Step 6: Final answer
    x = 1,154,957.12

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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.