Home / 1,431,482.37-1,975,429.70-778,094.25

Finding the Fourth Proportional to 1,431,482.37, 1,975,429.70 and 778,094.25

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Solution

The fourth proportional to 1,431,482.37, 1,975,429.70 and 778,094.25 is: 1,073,761.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,482.37 : 1,975,429.70 = 778,094.25 : x
  2. Step 2: Convert to fraction form
    1,431,482.37/1,975,429.70 = 778,094.25/x
  3. Step 3: Cross multiply
    1,431,482.37x = 1,975,429.70 × 778,094.25
  4. Step 4: Simplify right side
    1,431,482.37x = 1,537,070,477,081.61
  5. Step 5: Solve for x
    x = 1,537,070,477,081.61/1,431,482.37
  6. Step 6: Final answer
    x = 1,073,761.38

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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.