Home / 1,490,176.16-2,056,726.56-845,656.40

Finding the Fourth Proportional to 1,490,176.16, 2,056,726.56 and 845,656.40

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Solution

The fourth proportional to 1,490,176.16, 2,056,726.56 and 845,656.40 is: 1,167,166.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,176.16 : 2,056,726.56 = 845,656.40 : x
  2. Step 2: Convert to fraction form
    1,490,176.16/2,056,726.56 = 845,656.40/x
  3. Step 3: Cross multiply
    1,490,176.16x = 2,056,726.56 × 845,656.40
  4. Step 4: Simplify right side
    1,490,176.16x = 1,739,283,978,513.98
  5. Step 5: Solve for x
    x = 1,739,283,978,513.98/1,490,176.16
  6. Step 6: Final answer
    x = 1,167,166.69

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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.