Home / 1,036,287.10-1,554,649.35-326,386.90

Finding the Fourth Proportional to 1,036,287.10, 1,554,649.35 and 326,386.90

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Solution

The fourth proportional to 1,036,287.10, 1,554,649.35 and 326,386.90 is: 489,649.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,287.10 : 1,554,649.35 = 326,386.90 : x
  2. Step 2: Convert to fraction form
    1,036,287.10/1,554,649.35 = 326,386.90/x
  3. Step 3: Cross multiply
    1,036,287.10x = 1,554,649.35 × 326,386.90
  4. Step 4: Simplify right side
    1,036,287.10x = 507,417,181,933.52
  5. Step 5: Solve for x
    x = 507,417,181,933.52/1,036,287.10
  6. Step 6: Final answer
    x = 489,649.23

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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.