Home / 1,182,280.08-1,631,370-665,960.16

Finding the Fourth Proportional to 1,182,280.08, 1,631,370 and 665,960.16

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Solution

The fourth proportional to 1,182,280.08, 1,631,370 and 665,960.16 is: 918,925.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182,280.08 : 1,631,370 = 665,960.16 : x
  2. Step 2: Convert to fraction form
    1,182,280.08/1,631,370 = 665,960.16/x
  3. Step 3: Cross multiply
    1,182,280.08x = 1,631,370 × 665,960.16
  4. Step 4: Simplify right side
    1,182,280.08x = 1,086,427,426,219.20
  5. Step 5: Solve for x
    x = 1,086,427,426,219.20/1,182,280.08
  6. Step 6: Final answer
    x = 918,925.60

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1.5x scale

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.