Home / 1,316,307.60-1,974,461.40-319,035.60

Finding the Fourth Proportional to 1,316,307.60, 1,974,461.40 and 319,035.60

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Solution

The fourth proportional to 1,316,307.60, 1,974,461.40 and 319,035.60 is: 478,553.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,307.60 : 1,974,461.40 = 319,035.60 : x
  2. Step 2: Convert to fraction form
    1,316,307.60/1,974,461.40 = 319,035.60/x
  3. Step 3: Cross multiply
    1,316,307.60x = 1,974,461.40 × 319,035.60
  4. Step 4: Simplify right side
    1,316,307.60x = 629,923,477,425.84
  5. Step 5: Solve for x
    x = 629,923,477,425.84/1,316,307.60
  6. Step 6: Final answer
    x = 478,553.40

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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.