Home / 1,696,205.20-2,544,307.80-749,088.40

Finding the Fourth Proportional to 1,696,205.20, 2,544,307.80 and 749,088.40

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Solution

The fourth proportional to 1,696,205.20, 2,544,307.80 and 749,088.40 is: 1,123,632.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,696,205.20 : 2,544,307.80 = 749,088.40 : x
  2. Step 2: Convert to fraction form
    1,696,205.20/2,544,307.80 = 749,088.40/x
  3. Step 3: Cross multiply
    1,696,205.20x = 2,544,307.80 × 749,088.40
  4. Step 4: Simplify right side
    1,696,205.20x = 1,905,911,459,009.52
  5. Step 5: Solve for x
    x = 1,905,911,459,009.52/1,696,205.20
  6. Step 6: Final answer
    x = 1,123,632.60

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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.