Home / 1,019,852.48-1,407,144.48-637,688

Finding the Fourth Proportional to 1,019,852.48, 1,407,144.48 and 637,688

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Solution

The fourth proportional to 1,019,852.48, 1,407,144.48 and 637,688 is: 879,851.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,852.48 : 1,407,144.48 = 637,688 : x
  2. Step 2: Convert to fraction form
    1,019,852.48/1,407,144.48 = 637,688/x
  3. Step 3: Cross multiply
    1,019,852.48x = 1,407,144.48 × 637,688
  4. Step 4: Simplify right side
    1,019,852.48x = 897,319,149,162.24
  5. Step 5: Solve for x
    x = 897,319,149,162.24/1,019,852.48
  6. Step 6: Final answer
    x = 879,851.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.