Home / 1,525,925.76-2,105,702.40-837,580.80

Finding the Fourth Proportional to 1,525,925.76, 2,105,702.40 and 837,580.80

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Solution

The fourth proportional to 1,525,925.76, 2,105,702.40 and 837,580.80 is: 1,155,820.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,525,925.76 : 2,105,702.40 = 837,580.80 : x
  2. Step 2: Convert to fraction form
    1,525,925.76/2,105,702.40 = 837,580.80/x
  3. Step 3: Cross multiply
    1,525,925.76x = 2,105,702.40 × 837,580.80
  4. Step 4: Simplify right side
    1,525,925.76x = 1,763,695,900,753.92
  5. Step 5: Solve for x
    x = 1,763,695,900,753.92/1,525,925.76
  6. Step 6: Final answer
    x = 1,155,820.25

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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.