Home / 1,374,000.80-2,060,041.20-812,746.40

Finding the Fourth Proportional to 1,374,000.80, 2,060,041.20 and 812,746.40

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Solution

The fourth proportional to 1,374,000.80, 2,060,041.20 and 812,746.40 is: 1,218,551.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,374,000.80 : 2,060,041.20 = 812,746.40 : x
  2. Step 2: Convert to fraction form
    1,374,000.80/2,060,041.20 = 812,746.40/x
  3. Step 3: Cross multiply
    1,374,000.80x = 2,060,041.20 × 812,746.40
  4. Step 4: Simplify right side
    1,374,000.80x = 1,674,291,069,151.68
  5. Step 5: Solve for x
    x = 1,674,291,069,151.68/1,374,000.80
  6. Step 6: Final answer
    x = 1,218,551.74

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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.