Home / 1,090,055.42-1,502,717.49-766,762.14

Finding the Fourth Proportional to 1,090,055.42, 1,502,717.49 and 766,762.14

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Solution

The fourth proportional to 1,090,055.42, 1,502,717.49 and 766,762.14 is: 1,057,035.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,055.42 : 1,502,717.49 = 766,762.14 : x
  2. Step 2: Convert to fraction form
    1,090,055.42/1,502,717.49 = 766,762.14/x
  3. Step 3: Cross multiply
    1,090,055.42x = 1,502,717.49 × 766,762.14
  4. Step 4: Simplify right side
    1,090,055.42x = 1,152,226,878,447.83
  5. Step 5: Solve for x
    x = 1,152,226,878,447.83/1,090,055.42
  6. Step 6: Final answer
    x = 1,057,035.14

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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.