Home / 1,031,601.40-1,547,402.10-321,623.80

Finding the Fourth Proportional to 1,031,601.40, 1,547,402.10 and 321,623.80

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Solution

The fourth proportional to 1,031,601.40, 1,547,402.10 and 321,623.80 is: 482,435.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,601.40 : 1,547,402.10 = 321,623.80 : x
  2. Step 2: Convert to fraction form
    1,031,601.40/1,547,402.10 = 321,623.80/x
  3. Step 3: Cross multiply
    1,031,601.40x = 1,547,402.10 × 321,623.80
  4. Step 4: Simplify right side
    1,031,601.40x = 497,681,343,529.98
  5. Step 5: Solve for x
    x = 497,681,343,529.98/1,031,601.40
  6. Step 6: Final answer
    x = 482,435.70

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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.