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Finding the Fourth Proportional to 1,386,746.02, 1,913,899.47 and 798,033.29

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Solution

The fourth proportional to 1,386,746.02, 1,913,899.47 and 798,033.29 is: 1,101,395.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,746.02 : 1,913,899.47 = 798,033.29 : x
  2. Step 2: Convert to fraction form
    1,386,746.02/1,913,899.47 = 798,033.29/x
  3. Step 3: Cross multiply
    1,386,746.02x = 1,913,899.47 × 798,033.29
  4. Step 4: Simplify right side
    1,386,746.02x = 1,527,355,490,773.36
  5. Step 5: Solve for x
    x = 1,527,355,490,773.36/1,386,746.02
  6. Step 6: Final answer
    x = 1,101,395.26

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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.