Home / 1,495,215-2,062,678.23-978,741.18

Finding the Fourth Proportional to 1,495,215, 2,062,678.23 and 978,741.18

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Solution

The fourth proportional to 1,495,215, 2,062,678.23 and 978,741.18 is: 1,350,192.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,495,215 : 2,062,678.23 = 978,741.18 : x
  2. Step 2: Convert to fraction form
    1,495,215/2,062,678.23 = 978,741.18/x
  3. Step 3: Cross multiply
    1,495,215x = 2,062,678.23 × 978,741.18
  4. Step 4: Simplify right side
    1,495,215x = 2,018,828,124,790.51
  5. Step 5: Solve for x
    x = 2,018,828,124,790.51/1,495,215
  6. Step 6: Final answer
    x = 1,350,192.53

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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.