Home / 1,158,875.60-1,736,239.80-947,368.40

Finding the Fourth Proportional to 1,158,875.60, 1,736,239.80 and 947,368.40

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Solution

The fourth proportional to 1,158,875.60, 1,736,239.80 and 947,368.40 is: 1,419,357.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,875.60 : 1,736,239.80 = 947,368.40 : x
  2. Step 2: Convert to fraction form
    1,158,875.60/1,736,239.80 = 947,368.40/x
  3. Step 3: Cross multiply
    1,158,875.60x = 1,736,239.80 × 947,368.40
  4. Step 4: Simplify right side
    1,158,875.60x = 1,644,858,721,342.32
  5. Step 5: Solve for x
    x = 1,644,858,721,342.32/1,158,875.60
  6. Step 6: Final answer
    x = 1,419,357.45

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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.