Home / 1,058,085.12-1,459,368.48-690,643.20

Finding the Fourth Proportional to 1,058,085.12, 1,459,368.48 and 690,643.20

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Solution

The fourth proportional to 1,058,085.12, 1,459,368.48 and 690,643.20 is: 952,572.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,058,085.12 : 1,459,368.48 = 690,643.20 : x
  2. Step 2: Convert to fraction form
    1,058,085.12/1,459,368.48 = 690,643.20/x
  3. Step 3: Cross multiply
    1,058,085.12x = 1,459,368.48 × 690,643.20
  4. Step 4: Simplify right side
    1,058,085.12x = 1,007,902,917,006.34
  5. Step 5: Solve for x
    x = 1,007,902,917,006.34/1,058,085.12
  6. Step 6: Final answer
    x = 952,572.62

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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.