Home / 1,018,387.60-1,525,507.80-520,032.40

Finding the Fourth Proportional to 1,018,387.60, 1,525,507.80 and 520,032.40

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Solution

The fourth proportional to 1,018,387.60, 1,525,507.80 and 520,032.40 is: 778,989.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,387.60 : 1,525,507.80 = 520,032.40 : x
  2. Step 2: Convert to fraction form
    1,018,387.60/1,525,507.80 = 520,032.40/x
  3. Step 3: Cross multiply
    1,018,387.60x = 1,525,507.80 × 520,032.40
  4. Step 4: Simplify right side
    1,018,387.60x = 793,313,482,452.72
  5. Step 5: Solve for x
    x = 793,313,482,452.72/1,018,387.60
  6. Step 6: Final answer
    x = 778,989.73

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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.