Home / 1,836,712.40-2,754,347.70-698,870.30

Finding the Fourth Proportional to 1,836,712.40, 2,754,347.70 and 698,870.30

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Solution

The fourth proportional to 1,836,712.40, 2,754,347.70 and 698,870.30 is: 1,048,031.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,836,712.40 : 2,754,347.70 = 698,870.30 : x
  2. Step 2: Convert to fraction form
    1,836,712.40/2,754,347.70 = 698,870.30/x
  3. Step 3: Cross multiply
    1,836,712.40x = 2,754,347.70 × 698,870.30
  4. Step 4: Simplify right side
    1,836,712.40x = 1,924,931,803,403.31
  5. Step 5: Solve for x
    x = 1,924,931,803,403.31/1,836,712.40
  6. Step 6: Final answer
    x = 1,048,031.15

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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.