Home / 1,432,931.45-1,977,445.31-788,337.80

Finding the Fourth Proportional to 1,432,931.45, 1,977,445.31 and 788,337.80

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Solution

The fourth proportional to 1,432,931.45, 1,977,445.31 and 788,337.80 is: 1,087,906.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,931.45 : 1,977,445.31 = 788,337.80 : x
  2. Step 2: Convert to fraction form
    1,432,931.45/1,977,445.31 = 788,337.80/x
  3. Step 3: Cross multiply
    1,432,931.45x = 1,977,445.31 × 788,337.80
  4. Step 4: Simplify right side
    1,432,931.45x = 1,558,894,877,389.34
  5. Step 5: Solve for x
    x = 1,558,894,877,389.34/1,432,931.45
  6. Step 6: Final answer
    x = 1,087,906.11

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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.