Home / 1,047,240-1,445,191.20-570,312

Finding the Fourth Proportional to 1,047,240, 1,445,191.20 and 570,312

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Solution

The fourth proportional to 1,047,240, 1,445,191.20 and 570,312 is: 787,030.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,240 : 1,445,191.20 = 570,312 : x
  2. Step 2: Convert to fraction form
    1,047,240/1,445,191.20 = 570,312/x
  3. Step 3: Cross multiply
    1,047,240x = 1,445,191.20 × 570,312
  4. Step 4: Simplify right side
    1,047,240x = 824,209,883,654.40
  5. Step 5: Solve for x
    x = 824,209,883,654.40/1,047,240
  6. Step 6: Final answer
    x = 787,030.56

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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.