Home / 1,209,302.84-1,812,750.60-577,478

Finding the Fourth Proportional to 1,209,302.84, 1,812,750.60 and 577,478

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Solution

The fourth proportional to 1,209,302.84, 1,812,750.60 and 577,478 is: 865,642.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,302.84 : 1,812,750.60 = 577,478 : x
  2. Step 2: Convert to fraction form
    1,209,302.84/1,812,750.60 = 577,478/x
  3. Step 3: Cross multiply
    1,209,302.84x = 1,812,750.60 × 577,478
  4. Step 4: Simplify right side
    1,209,302.84x = 1,046,823,590,986.80
  5. Step 5: Solve for x
    x = 1,046,823,590,986.80/1,209,302.84
  6. Step 6: Final answer
    x = 865,642.22

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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.