Home / 1,058,368.34-1,587,313.30-489,437.91

Finding the Fourth Proportional to 1,058,368.34, 1,587,313.30 and 489,437.91

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Solution

The fourth proportional to 1,058,368.34, 1,587,313.30 and 489,437.91 is: 734,046.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,058,368.34 : 1,587,313.30 = 489,437.91 : x
  2. Step 2: Convert to fraction form
    1,058,368.34/1,587,313.30 = 489,437.91/x
  3. Step 3: Cross multiply
    1,058,368.34x = 1,587,313.30 × 489,437.91
  4. Step 4: Simplify right side
    1,058,368.34x = 776,891,296,130.64
  5. Step 5: Solve for x
    x = 776,891,296,130.64/1,058,368.34
  6. Step 6: Final answer
    x = 734,046.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.