Home / 1,047,403.48-1,445,478.74-788,824.34

Finding the Fourth Proportional to 1,047,403.48, 1,445,478.74 and 788,824.34

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Solution

The fourth proportional to 1,047,403.48, 1,445,478.74 and 788,824.34 is: 1,088,624.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,403.48 : 1,445,478.74 = 788,824.34 : x
  2. Step 2: Convert to fraction form
    1,047,403.48/1,445,478.74 = 788,824.34/x
  3. Step 3: Cross multiply
    1,047,403.48x = 1,445,478.74 × 788,824.34
  4. Step 4: Simplify right side
    1,047,403.48x = 1,140,228,813,064.53
  5. Step 5: Solve for x
    x = 1,140,228,813,064.53/1,047,403.48
  6. Step 6: Final answer
    x = 1,088,624.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.