Home / 917,359.60-1,376,039.40-637,423.60

Finding the Fourth Proportional to 917,359.60, 1,376,039.40 and 637,423.60

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Solution

The fourth proportional to 917,359.60, 1,376,039.40 and 637,423.60 is: 956,135.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,359.60 : 1,376,039.40 = 637,423.60 : x
  2. Step 2: Convert to fraction form
    917,359.60/1,376,039.40 = 637,423.60/x
  3. Step 3: Cross multiply
    917,359.60x = 1,376,039.40 × 637,423.60
  4. Step 4: Simplify right side
    917,359.60x = 877,119,988,089.84
  5. Step 5: Solve for x
    x = 877,119,988,089.84/917,359.60
  6. Step 6: Final answer
    x = 956,135.40

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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.