Home / 1,110,130.16-1,532,019.42-626,781.32

Finding the Fourth Proportional to 1,110,130.16, 1,532,019.42 and 626,781.32

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Solution

The fourth proportional to 1,110,130.16, 1,532,019.42 and 626,781.32 is: 864,980.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,130.16 : 1,532,019.42 = 626,781.32 : x
  2. Step 2: Convert to fraction form
    1,110,130.16/1,532,019.42 = 626,781.32/x
  3. Step 3: Cross multiply
    1,110,130.16x = 1,532,019.42 × 626,781.32
  4. Step 4: Simplify right side
    1,110,130.16x = 960,241,154,333.23
  5. Step 5: Solve for x
    x = 960,241,154,333.23/1,110,130.16
  6. Step 6: Final answer
    x = 864,980.69

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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.