Home / 1,037,628.40-1,552,943.40-911,657.20

Finding the Fourth Proportional to 1,037,628.40, 1,552,943.40 and 911,657.20

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Solution

The fourth proportional to 1,037,628.40, 1,552,943.40 and 911,657.20 is: 1,364,411.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,037,628.40 : 1,552,943.40 = 911,657.20 : x
  2. Step 2: Convert to fraction form
    1,037,628.40/1,552,943.40 = 911,657.20/x
  3. Step 3: Cross multiply
    1,037,628.40x = 1,552,943.40 × 911,657.20
  4. Step 4: Simplify right side
    1,037,628.40x = 1,415,752,031,802.48
  5. Step 5: Solve for x
    x = 1,415,752,031,802.48/1,037,628.40
  6. Step 6: Final answer
    x = 1,364,411.41

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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.