Home / 1,018,384.60-1,525,503.30-520,029.40

Finding the Fourth Proportional to 1,018,384.60, 1,525,503.30 and 520,029.40

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Solution

The fourth proportional to 1,018,384.60, 1,525,503.30 and 520,029.40 is: 778,985.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,384.60 : 1,525,503.30 = 520,029.40 : x
  2. Step 2: Convert to fraction form
    1,018,384.60/1,525,503.30 = 520,029.40/x
  3. Step 3: Cross multiply
    1,018,384.60x = 1,525,503.30 × 520,029.40
  4. Step 4: Simplify right side
    1,018,384.60x = 793,306,565,797.02
  5. Step 5: Solve for x
    x = 793,306,565,797.02/1,018,384.60
  6. Step 6: Final answer
    x = 778,985.23

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1.5x scale

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.