Home / 1,377,457.60-1,900,235.52-918,784

Finding the Fourth Proportional to 1,377,457.60, 1,900,235.52 and 918,784

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Solution

The fourth proportional to 1,377,457.60, 1,900,235.52 and 918,784 is: 1,267,484.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,457.60 : 1,900,235.52 = 918,784 : x
  2. Step 2: Convert to fraction form
    1,377,457.60/1,900,235.52 = 918,784/x
  3. Step 3: Cross multiply
    1,377,457.60x = 1,900,235.52 × 918,784
  4. Step 4: Simplify right side
    1,377,457.60x = 1,745,905,992,007.68
  5. Step 5: Solve for x
    x = 1,745,905,992,007.68/1,377,457.60
  6. Step 6: Final answer
    x = 1,267,484.38

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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.