Home / 1,257,346.76-1,886,001.66-310,717.49

Finding the Fourth Proportional to 1,257,346.76, 1,886,001.66 and 310,717.49

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Solution

The fourth proportional to 1,257,346.76, 1,886,001.66 and 310,717.49 is: 466,071.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,346.76 : 1,886,001.66 = 310,717.49 : x
  2. Step 2: Convert to fraction form
    1,257,346.76/1,886,001.66 = 310,717.49/x
  3. Step 3: Cross multiply
    1,257,346.76x = 1,886,001.66 × 310,717.49
  4. Step 4: Simplify right side
    1,257,346.76x = 586,013,692,501.03
  5. Step 5: Solve for x
    x = 586,013,692,501.03/1,257,346.76
  6. Step 6: Final answer
    x = 466,071.66

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1.5x scale

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.