Home / 1,363,126.02-1,881,113.94-790,498.14

Finding the Fourth Proportional to 1,363,126.02, 1,881,113.94 and 790,498.14

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Solution

The fourth proportional to 1,363,126.02, 1,881,113.94 and 790,498.14 is: 1,090,887.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,363,126.02 : 1,881,113.94 = 790,498.14 : x
  2. Step 2: Convert to fraction form
    1,363,126.02/1,881,113.94 = 790,498.14/x
  3. Step 3: Cross multiply
    1,363,126.02x = 1,881,113.94 × 790,498.14
  4. Step 4: Simplify right side
    1,363,126.02x = 1,487,017,070,698.07
  5. Step 5: Solve for x
    x = 1,487,017,070,698.07/1,363,126.02
  6. Step 6: Final answer
    x = 1,090,887.45

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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.