Home / 1,036,279.10-1,554,637.35-326,378.90

Finding the Fourth Proportional to 1,036,279.10, 1,554,637.35 and 326,378.90

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Solution

The fourth proportional to 1,036,279.10, 1,554,637.35 and 326,378.90 is: 489,637.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,279.10 : 1,554,637.35 = 326,378.90 : x
  2. Step 2: Convert to fraction form
    1,036,279.10/1,554,637.35 = 326,378.90/x
  3. Step 3: Cross multiply
    1,036,279.10x = 1,554,637.35 × 326,378.90
  4. Step 4: Simplify right side
    1,036,279.10x = 507,400,828,191.92
  5. Step 5: Solve for x
    x = 507,400,828,191.92/1,036,279.10
  6. Step 6: Final answer
    x = 489,637.23

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Double scale
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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.