Home / 1,039,870.40-1,559,805.60-508,429.40

Finding the Fourth Proportional to 1,039,870.40, 1,559,805.60 and 508,429.40

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Solution

The fourth proportional to 1,039,870.40, 1,559,805.60 and 508,429.40 is: 762,644.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,870.40 : 1,559,805.60 = 508,429.40 : x
  2. Step 2: Convert to fraction form
    1,039,870.40/1,559,805.60 = 508,429.40/x
  3. Step 3: Cross multiply
    1,039,870.40x = 1,559,805.60 × 508,429.40
  4. Step 4: Simplify right side
    1,039,870.40x = 793,051,025,324.64
  5. Step 5: Solve for x
    x = 793,051,025,324.64/1,039,870.40
  6. Step 6: Final answer
    x = 762,644.10

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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.