Home / 1,432,673.70-1,977,094.36-788,142.93

Finding the Fourth Proportional to 1,432,673.70, 1,977,094.36 and 788,142.93

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Solution

The fourth proportional to 1,432,673.70, 1,977,094.36 and 788,142.93 is: 1,087,639.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,673.70 : 1,977,094.36 = 788,142.93 : x
  2. Step 2: Convert to fraction form
    1,432,673.70/1,977,094.36 = 788,142.93/x
  3. Step 3: Cross multiply
    1,432,673.70x = 1,977,094.36 × 788,142.93
  4. Step 4: Simplify right side
    1,432,673.70x = 1,558,232,931,891.40
  5. Step 5: Solve for x
    x = 1,558,232,931,891.40/1,432,673.70
  6. Step 6: Final answer
    x = 1,087,639.80

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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.