Home / 877,557.20-1,316,335.80-759,459.20

Finding the Fourth Proportional to 877,557.20, 1,316,335.80 and 759,459.20

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Solution

The fourth proportional to 877,557.20, 1,316,335.80 and 759,459.20 is: 1,139,188.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,557.20 : 1,316,335.80 = 759,459.20 : x
  2. Step 2: Convert to fraction form
    877,557.20/1,316,335.80 = 759,459.20/x
  3. Step 3: Cross multiply
    877,557.20x = 1,316,335.80 × 759,459.20
  4. Step 4: Simplify right side
    877,557.20x = 999,703,333,599.36
  5. Step 5: Solve for x
    x = 999,703,333,599.36/877,557.20
  6. Step 6: Final answer
    x = 1,139,188.80

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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.