Home / 1,036,386.62-1,554,432.30-326,396.20

Finding the Fourth Proportional to 1,036,386.62, 1,554,432.30 and 326,396.20

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Solution

The fourth proportional to 1,036,386.62, 1,554,432.30 and 326,396.20 is: 489,547.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,386.62 : 1,554,432.30 = 326,396.20 : x
  2. Step 2: Convert to fraction form
    1,036,386.62/1,554,432.30 = 326,396.20/x
  3. Step 3: Cross multiply
    1,036,386.62x = 1,554,432.30 × 326,396.20
  4. Step 4: Simplify right side
    1,036,386.62x = 507,360,795,877.26
  5. Step 5: Solve for x
    x = 507,360,795,877.26/1,036,386.62
  6. Step 6: Final answer
    x = 489,547.81

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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.