Home / 1,158,280.40-1,736,153.40-409,941.20

Finding the Fourth Proportional to 1,158,280.40, 1,736,153.40 and 409,941.20

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Solution

The fourth proportional to 1,158,280.40, 1,736,153.40 and 409,941.20 is: 614,463.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,280.40 : 1,736,153.40 = 409,941.20 : x
  2. Step 2: Convert to fraction form
    1,158,280.40/1,736,153.40 = 409,941.20/x
  3. Step 3: Cross multiply
    1,158,280.40x = 1,736,153.40 × 409,941.20
  4. Step 4: Simplify right side
    1,158,280.40x = 711,720,808,180.08
  5. Step 5: Solve for x
    x = 711,720,808,180.08/1,158,280.40
  6. Step 6: Final answer
    x = 614,463.31

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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.