Home / 1,058,370.40-1,587,555.60-637,429.60

Finding the Fourth Proportional to 1,058,370.40, 1,587,555.60 and 637,429.60

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Solution

The fourth proportional to 1,058,370.40, 1,587,555.60 and 637,429.60 is: 956,144.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,058,370.40 : 1,587,555.60 = 637,429.60 : x
  2. Step 2: Convert to fraction form
    1,058,370.40/1,587,555.60 = 637,429.60/x
  3. Step 3: Cross multiply
    1,058,370.40x = 1,587,555.60 × 637,429.60
  4. Step 4: Simplify right side
    1,058,370.40x = 1,011,954,931,085.76
  5. Step 5: Solve for x
    x = 1,011,954,931,085.76/1,058,370.40
  6. Step 6: Final answer
    x = 956,144.40

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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.