Home / 1,090,058.17-1,502,721.28-766,764.89

Finding the Fourth Proportional to 1,090,058.17, 1,502,721.28 and 766,764.89

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Solution

The fourth proportional to 1,090,058.17, 1,502,721.28 and 766,764.89 is: 1,057,038.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,058.17 : 1,502,721.28 = 766,764.89 : x
  2. Step 2: Convert to fraction form
    1,090,058.17/1,502,721.28 = 766,764.89/x
  3. Step 3: Cross multiply
    1,090,058.17x = 1,502,721.28 × 766,764.89
  4. Step 4: Simplify right side
    1,090,058.17x = 1,152,233,916,959.86
  5. Step 5: Solve for x
    x = 1,152,233,916,959.86/1,090,058.17
  6. Step 6: Final answer
    x = 1,057,038.93

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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.